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Finding the Fourth Proportional to 432,189.84, 648,284.88 and 116,646.72

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Solution

The fourth proportional to 432,189.84, 648,284.88 and 116,646.72 is: 174,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,189.84 : 648,284.88 = 116,646.72 : x
  2. Step 2: Convert to fraction form
    432,189.84/648,284.88 = 116,646.72/x
  3. Step 3: Cross multiply
    432,189.84x = 648,284.88 × 116,646.72
  4. Step 4: Simplify right side
    432,189.84x = 75,620,304,877.59
  5. Step 5: Solve for x
    x = 75,620,304,877.59/432,189.84
  6. Step 6: Final answer
    x = 174,970.11

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1.5x scale

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.