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Finding the Fourth Proportional to 472,597.54, 708,683.07 and 135,561.70

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Solution

The fourth proportional to 472,597.54, 708,683.07 and 135,561.70 is: 203,281.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,597.54 : 708,683.07 = 135,561.70 : x
  2. Step 2: Convert to fraction form
    472,597.54/708,683.07 = 135,561.70/x
  3. Step 3: Cross multiply
    472,597.54x = 708,683.07 × 135,561.70
  4. Step 4: Simplify right side
    472,597.54x = 96,070,283,124.63
  5. Step 5: Solve for x
    x = 96,070,283,124.63/472,597.54
  6. Step 6: Final answer
    x = 203,281.39

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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.