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Finding the Fourth Proportional to 524,805.12, 724,247.04 and 298,483.20

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Solution

The fourth proportional to 524,805.12, 724,247.04 and 298,483.20 is: 411,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,805.12 : 724,247.04 = 298,483.20 : x
  2. Step 2: Convert to fraction form
    524,805.12/724,247.04 = 298,483.20/x
  3. Step 3: Cross multiply
    524,805.12x = 724,247.04 × 298,483.20
  4. Step 4: Simplify right side
    524,805.12x = 216,175,574,089.73
  5. Step 5: Solve for x
    x = 216,175,574,089.73/524,805.12
  6. Step 6: Final answer
    x = 411,915.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.