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Finding the Fourth Proportional to 573,097.20, 859,645.80 and 517,984.80

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Solution

The fourth proportional to 573,097.20, 859,645.80 and 517,984.80 is: 776,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,097.20 : 859,645.80 = 517,984.80 : x
  2. Step 2: Convert to fraction form
    573,097.20/859,645.80 = 517,984.80/x
  3. Step 3: Cross multiply
    573,097.20x = 859,645.80 × 517,984.80
  4. Step 4: Simplify right side
    573,097.20x = 445,283,457,783.84
  5. Step 5: Solve for x
    x = 445,283,457,783.84/573,097.20
  6. Step 6: Final answer
    x = 776,977.20

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.