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Finding the Fourth Proportional to 614,903.72, 922,635.82 and 315,594.48

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Solution

The fourth proportional to 614,903.72, 922,635.82 and 315,594.48 is: 473,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,903.72 : 922,635.82 = 315,594.48 : x
  2. Step 2: Convert to fraction form
    614,903.72/922,635.82 = 315,594.48/x
  3. Step 3: Cross multiply
    614,903.72x = 922,635.82 × 315,594.48
  4. Step 4: Simplify right side
    614,903.72x = 291,178,771,842.27
  5. Step 5: Solve for x
    x = 291,178,771,842.27/614,903.72
  6. Step 6: Final answer
    x = 473,535.55

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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.