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Finding the Fourth Proportional to 632,572.30, 872,951.88 and 346,091.50

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Solution

The fourth proportional to 632,572.30, 872,951.88 and 346,091.50 is: 477,607.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,572.30 : 872,951.88 = 346,091.50 : x
  2. Step 2: Convert to fraction form
    632,572.30/872,951.88 = 346,091.50/x
  3. Step 3: Cross multiply
    632,572.30x = 872,951.88 × 346,091.50
  4. Step 4: Simplify right side
    632,572.30x = 302,121,225,577.02
  5. Step 5: Solve for x
    x = 302,121,225,577.02/632,572.30
  6. Step 6: Final answer
    x = 477,607.42

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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.