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Finding the Fourth Proportional to 655,948.80, 983,923.20 and 573,004.80

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Solution

The fourth proportional to 655,948.80, 983,923.20 and 573,004.80 is: 859,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,948.80 : 983,923.20 = 573,004.80 : x
  2. Step 2: Convert to fraction form
    655,948.80/983,923.20 = 573,004.80/x
  3. Step 3: Cross multiply
    655,948.80x = 983,923.20 × 573,004.80
  4. Step 4: Simplify right side
    655,948.80x = 563,792,716,431.36
  5. Step 5: Solve for x
    x = 563,792,716,431.36/655,948.80
  6. Step 6: Final answer
    x = 859,507.20

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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.