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Finding the Fourth Proportional to 564,241.14, 778,666.37 and 309,592.13

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Solution

The fourth proportional to 564,241.14, 778,666.37 and 309,592.13 is: 427,244.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,241.14 : 778,666.37 = 309,592.13 : x
  2. Step 2: Convert to fraction form
    564,241.14/778,666.37 = 309,592.13/x
  3. Step 3: Cross multiply
    564,241.14x = 778,666.37 × 309,592.13
  4. Step 4: Simplify right side
    564,241.14x = 241,068,974,606.38
  5. Step 5: Solve for x
    x = 241,068,974,606.38/564,241.14
  6. Step 6: Final answer
    x = 427,244.59

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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.