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Finding the Fourth Proportional to 506,050.92, 698,350.95 and 291,186.72

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Solution

The fourth proportional to 506,050.92, 698,350.95 and 291,186.72 is: 401,838.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,050.92 : 698,350.95 = 291,186.72 : x
  2. Step 2: Convert to fraction form
    506,050.92/698,350.95 = 291,186.72/x
  3. Step 3: Cross multiply
    506,050.92x = 698,350.95 × 291,186.72
  4. Step 4: Simplify right side
    506,050.92x = 203,350,522,539.38
  5. Step 5: Solve for x
    x = 203,350,522,539.38/506,050.92
  6. Step 6: Final answer
    x = 401,838.07

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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.