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Finding the Fourth Proportional to 565,595.52, 780,526.29 and 307,472.41

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Solution

The fourth proportional to 565,595.52, 780,526.29 and 307,472.41 is: 424,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,595.52 : 780,526.29 = 307,472.41 : x
  2. Step 2: Convert to fraction form
    565,595.52/780,526.29 = 307,472.41/x
  3. Step 3: Cross multiply
    565,595.52x = 780,526.29 × 307,472.41
  4. Step 4: Simplify right side
    565,595.52x = 239,990,299,454.66
  5. Step 5: Solve for x
    x = 239,990,299,454.66/565,595.52
  6. Step 6: Final answer
    x = 424,314.36

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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.