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Finding the Fourth Proportional to 532,287,114.90, 798,430,672.35 and 168,781,470.90

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Solution

The fourth proportional to 532,287,114.90, 798,430,672.35 and 168,781,470.90 is: 253,172,206.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,287,114.90 : 798,430,672.35 = 168,781,470.90 : x
  2. Step 2: Convert to fraction form
    532,287,114.90/798,430,672.35 = 168,781,470.90/x
  3. Step 3: Cross multiply
    532,287,114.90x = 798,430,672.35 × 168,781,470.90
  4. Step 4: Simplify right side
    532,287,114.90x = 134,760,303,290,908,976
  5. Step 5: Solve for x
    x = 134,760,303,290,908,976/532,287,114.90
  6. Step 6: Final answer
    x = 253,172,206.35

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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.