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Finding the Fourth Proportional to 432,468.40, 648,701.07 and 116,925.25

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Solution

The fourth proportional to 432,468.40, 648,701.07 and 116,925.25 is: 175,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,468.40 : 648,701.07 = 116,925.25 : x
  2. Step 2: Convert to fraction form
    432,468.40/648,701.07 = 116,925.25/x
  3. Step 3: Cross multiply
    432,468.40x = 648,701.07 × 116,925.25
  4. Step 4: Simplify right side
    432,468.40x = 75,849,534,785.02
  5. Step 5: Solve for x
    x = 75,849,534,785.02/432,468.40
  6. Step 6: Final answer
    x = 175,387.46

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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.