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Finding the Fourth Proportional to 623,323.20, 934,984.80 and 546,340.80

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Solution

The fourth proportional to 623,323.20, 934,984.80 and 546,340.80 is: 819,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,323.20 : 934,984.80 = 546,340.80 : x
  2. Step 2: Convert to fraction form
    623,323.20/934,984.80 = 546,340.80/x
  3. Step 3: Cross multiply
    623,323.20x = 934,984.80 × 546,340.80
  4. Step 4: Simplify right side
    623,323.20x = 510,820,343,619.84
  5. Step 5: Solve for x
    x = 510,820,343,619.84/623,323.20
  6. Step 6: Final answer
    x = 819,511.20

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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.