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Finding the Fourth Proportional to 474,545.53, 654,871.89 and 259,685.56

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Solution

The fourth proportional to 474,545.53, 654,871.89 and 259,685.56 is: 358,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,545.53 : 654,871.89 = 259,685.56 : x
  2. Step 2: Convert to fraction form
    474,545.53/654,871.89 = 259,685.56/x
  3. Step 3: Cross multiply
    474,545.53x = 654,871.89 × 259,685.56
  4. Step 4: Simplify right side
    474,545.53x = 170,060,773,482.91
  5. Step 5: Solve for x
    x = 170,060,773,482.91/474,545.53
  6. Step 6: Final answer
    x = 358,365.56

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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.