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Finding the Fourth Proportional to 432,704.55, 597,130.77 and 239,106.87

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Solution

The fourth proportional to 432,704.55, 597,130.77 and 239,106.87 is: 329,966.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,704.55 : 597,130.77 = 239,106.87 : x
  2. Step 2: Convert to fraction form
    432,704.55/597,130.77 = 239,106.87/x
  3. Step 3: Cross multiply
    432,704.55x = 597,130.77 × 239,106.87
  4. Step 4: Simplify right side
    432,704.55x = 142,778,069,395.39
  5. Step 5: Solve for x
    x = 142,778,069,395.39/432,704.55
  6. Step 6: Final answer
    x = 329,966.65

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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.