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Finding the Fourth Proportional to 495,429,805.80, 743,144,708.70 and 332,171,130.60

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Solution

The fourth proportional to 495,429,805.80, 743,144,708.70 and 332,171,130.60 is: 498,256,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,429,805.80 : 743,144,708.70 = 332,171,130.60 : x
  2. Step 2: Convert to fraction form
    495,429,805.80/743,144,708.70 = 332,171,130.60/x
  3. Step 3: Cross multiply
    495,429,805.80x = 743,144,708.70 × 332,171,130.60
  4. Step 4: Simplify right side
    495,429,805.80x = 246,851,218,088,286,688
  5. Step 5: Solve for x
    x = 246,851,218,088,286,688/495,429,805.80
  6. Step 6: Final answer
    x = 498,256,695.90

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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.