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Finding the Fourth Proportional to 602,345.10, 831,096.84 and 360,535.80

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Solution

The fourth proportional to 602,345.10, 831,096.84 and 360,535.80 is: 497,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,345.10 : 831,096.84 = 360,535.80 : x
  2. Step 2: Convert to fraction form
    602,345.10/831,096.84 = 360,535.80/x
  3. Step 3: Cross multiply
    602,345.10x = 831,096.84 × 360,535.80
  4. Step 4: Simplify right side
    602,345.10x = 299,640,164,086.87
  5. Step 5: Solve for x
    x = 299,640,164,086.87/602,345.10
  6. Step 6: Final answer
    x = 497,455.97

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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.