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Finding the Fourth Proportional to 506,369.68, 698,859.24 and 291,504.40

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Solution

The fourth proportional to 506,369.68, 698,859.24 and 291,504.40 is: 402,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,369.68 : 698,859.24 = 291,504.40 : x
  2. Step 2: Convert to fraction form
    506,369.68/698,859.24 = 291,504.40/x
  3. Step 3: Cross multiply
    506,369.68x = 698,859.24 × 291,504.40
  4. Step 4: Simplify right side
    506,369.68x = 203,720,543,440.66
  5. Step 5: Solve for x
    x = 203,720,543,440.66/506,369.68
  6. Step 6: Final answer
    x = 402,315.84

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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.