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Finding the Fourth Proportional to 602,561.12, 831,560.40 and 360,883.04

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Solution

The fourth proportional to 602,561.12, 831,560.40 and 360,883.04 is: 498,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,561.12 : 831,560.40 = 360,883.04 : x
  2. Step 2: Convert to fraction form
    602,561.12/831,560.40 = 360,883.04/x
  3. Step 3: Cross multiply
    602,561.12x = 831,560.40 × 360,883.04
  4. Step 4: Simplify right side
    602,561.12x = 300,096,045,095.62
  5. Step 5: Solve for x
    x = 300,096,045,095.62/602,561.12
  6. Step 6: Final answer
    x = 498,034.20

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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.