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Finding the Fourth Proportional to 482,920.53, 666,432.91 and 301,737.53

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Solution

The fourth proportional to 482,920.53, 666,432.91 and 301,737.53 is: 416,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,920.53 : 666,432.91 = 301,737.53 : x
  2. Step 2: Convert to fraction form
    482,920.53/666,432.91 = 301,737.53/x
  3. Step 3: Cross multiply
    482,920.53x = 666,432.91 × 301,737.53
  4. Step 4: Simplify right side
    482,920.53x = 201,087,819,419.77
  5. Step 5: Solve for x
    x = 201,087,819,419.77/482,920.53
  6. Step 6: Final answer
    x = 416,399.40

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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.