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Finding the Fourth Proportional to 547,627.76, 755,410.88 and 329,684.88

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Solution

The fourth proportional to 547,627.76, 755,410.88 and 329,684.88 is: 454,775.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,627.76 : 755,410.88 = 329,684.88 : x
  2. Step 2: Convert to fraction form
    547,627.76/755,410.88 = 329,684.88/x
  3. Step 3: Cross multiply
    547,627.76x = 755,410.88 × 329,684.88
  4. Step 4: Simplify right side
    547,627.76x = 249,047,545,323.49
  5. Step 5: Solve for x
    x = 249,047,545,323.49/547,627.76
  6. Step 6: Final answer
    x = 454,775.24

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1.5x scale

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.