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Finding the Fourth Proportional to 558,545.76, 831,501.72 and 555,224.76

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Solution

The fourth proportional to 558,545.76, 831,501.72 and 555,224.76 is: 826,557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,545.76 : 831,501.72 = 555,224.76 : x
  2. Step 2: Convert to fraction form
    558,545.76/831,501.72 = 555,224.76/x
  3. Step 3: Cross multiply
    558,545.76x = 831,501.72 × 555,224.76
  4. Step 4: Simplify right side
    558,545.76x = 461,670,342,926.59
  5. Step 5: Solve for x
    x = 461,670,342,926.59/558,545.76
  6. Step 6: Final answer
    x = 826,557.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.