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Finding the Fourth Proportional to 602,161.16, 831,216.18 and 451,695.88

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Solution

The fourth proportional to 602,161.16, 831,216.18 and 451,695.88 is: 623,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,161.16 : 831,216.18 = 451,695.88 : x
  2. Step 2: Convert to fraction form
    602,161.16/831,216.18 = 451,695.88/x
  3. Step 3: Cross multiply
    602,161.16x = 831,216.18 × 451,695.88
  4. Step 4: Simplify right side
    602,161.16x = 375,456,923,895.34
  5. Step 5: Solve for x
    x = 375,456,923,895.34/602,161.16
  6. Step 6: Final answer
    x = 623,515.68

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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.