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Finding the Fourth Proportional to 354,314.04, 531,472.98 and 104,998.20

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Solution

The fourth proportional to 354,314.04, 531,472.98 and 104,998.20 is: 157,497.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,314.04 : 531,472.98 = 104,998.20 : x
  2. Step 2: Convert to fraction form
    354,314.04/531,472.98 = 104,998.20/x
  3. Step 3: Cross multiply
    354,314.04x = 531,472.98 × 104,998.20
  4. Step 4: Simplify right side
    354,314.04x = 55,803,706,248.64
  5. Step 5: Solve for x
    x = 55,803,706,248.64/354,314.04
  6. Step 6: Final answer
    x = 157,497.87

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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.