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Finding the Fourth Proportional to 602,338.20, 831,252.78 and 360,574.02

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Solution

The fourth proportional to 602,338.20, 831,252.78 and 360,574.02 is: 497,607.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,338.20 : 831,252.78 = 360,574.02 : x
  2. Step 2: Convert to fraction form
    602,338.20/831,252.78 = 360,574.02/x
  3. Step 3: Cross multiply
    602,338.20x = 831,252.78 × 360,574.02
  4. Step 4: Simplify right side
    602,338.20x = 299,728,156,520.78
  5. Step 5: Solve for x
    x = 299,728,156,520.78/602,338.20
  6. Step 6: Final answer
    x = 497,607.75

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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.