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Finding the Fourth Proportional to 484,487.10, 726,730.65 and 464,010.30

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Solution

The fourth proportional to 484,487.10, 726,730.65 and 464,010.30 is: 696,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,487.10 : 726,730.65 = 464,010.30 : x
  2. Step 2: Convert to fraction form
    484,487.10/726,730.65 = 464,010.30/x
  3. Step 3: Cross multiply
    484,487.10x = 726,730.65 × 464,010.30
  4. Step 4: Simplify right side
    484,487.10x = 337,210,506,925.70
  5. Step 5: Solve for x
    x = 337,210,506,925.70/484,487.10
  6. Step 6: Final answer
    x = 696,015.45

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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.