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Finding the Fourth Proportional to 432,417.35, 648,642.42 and 116,874.38

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Solution

The fourth proportional to 432,417.35, 648,642.42 and 116,874.38 is: 175,316.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,417.35 : 648,642.42 = 116,874.38 : x
  2. Step 2: Convert to fraction form
    432,417.35/648,642.42 = 116,874.38/x
  3. Step 3: Cross multiply
    432,417.35x = 648,642.42 × 116,874.38
  4. Step 4: Simplify right side
    432,417.35x = 75,809,680,679.20
  5. Step 5: Solve for x
    x = 75,809,680,679.20/432,417.35
  6. Step 6: Final answer
    x = 175,316.00

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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.