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Finding the Fourth Proportional to 632,160.84, 871,672.53 and 402,354.12

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Solution

The fourth proportional to 632,160.84, 871,672.53 and 402,354.12 is: 554,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,160.84 : 871,672.53 = 402,354.12 : x
  2. Step 2: Convert to fraction form
    632,160.84/871,672.53 = 402,354.12/x
  3. Step 3: Cross multiply
    632,160.84x = 871,672.53 × 402,354.12
  4. Step 4: Simplify right side
    632,160.84x = 350,721,033,736.32
  5. Step 5: Solve for x
    x = 350,721,033,736.32/632,160.84
  6. Step 6: Final answer
    x = 554,797.15

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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.