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Finding the Fourth Proportional to 447,602.67, 616,515.02 and 344,038.81

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Solution

The fourth proportional to 447,602.67, 616,515.02 and 344,038.81 is: 473,869.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,602.67 : 616,515.02 = 344,038.81 : x
  2. Step 2: Convert to fraction form
    447,602.67/616,515.02 = 344,038.81/x
  3. Step 3: Cross multiply
    447,602.67x = 616,515.02 × 344,038.81
  4. Step 4: Simplify right side
    447,602.67x = 212,105,092,286.64
  5. Step 5: Solve for x
    x = 212,105,092,286.64/447,602.67
  6. Step 6: Final answer
    x = 473,869.14

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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.