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Finding the Fourth Proportional to 282,673.53, 424,008.14 and 72,311.13

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Solution

The fourth proportional to 282,673.53, 424,008.14 and 72,311.13 is: 108,466.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,673.53 : 424,008.14 = 72,311.13 : x
  2. Step 2: Convert to fraction form
    282,673.53/424,008.14 = 72,311.13/x
  3. Step 3: Cross multiply
    282,673.53x = 424,008.14 × 72,311.13
  4. Step 4: Simplify right side
    282,673.53x = 30,660,507,371.04
  5. Step 5: Solve for x
    x = 30,660,507,371.04/282,673.53
  6. Step 6: Final answer
    x = 108,466.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.