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Finding the Fourth Proportional to 506,172.28, 759,105.06 and 266,156.92

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Solution

The fourth proportional to 506,172.28, 759,105.06 and 266,156.92 is: 399,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,172.28 : 759,105.06 = 266,156.92 : x
  2. Step 2: Convert to fraction form
    506,172.28/759,105.06 = 266,156.92/x
  3. Step 3: Cross multiply
    506,172.28x = 759,105.06 × 266,156.92
  4. Step 4: Simplify right side
    506,172.28x = 202,041,064,726.02
  5. Step 5: Solve for x
    x = 202,041,064,726.02/506,172.28
  6. Step 6: Final answer
    x = 399,154.74

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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.