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Finding the Fourth Proportional to 468,156.30, 702,234.45 and 288,384.90

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Solution

The fourth proportional to 468,156.30, 702,234.45 and 288,384.90 is: 432,577.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,156.30 : 702,234.45 = 288,384.90 : x
  2. Step 2: Convert to fraction form
    468,156.30/702,234.45 = 288,384.90/x
  3. Step 3: Cross multiply
    468,156.30x = 702,234.45 × 288,384.90
  4. Step 4: Simplify right side
    468,156.30x = 202,513,811,639.81
  5. Step 5: Solve for x
    x = 202,513,811,639.81/468,156.30
  6. Step 6: Final answer
    x = 432,577.35

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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.