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Finding the Fourth Proportional to 544,557.20, 763,167.40 and 544,557.20

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Solution

The fourth proportional to 544,557.20, 763,167.40 and 544,557.20 is: 763,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,557.20 : 763,167.40 = 544,557.20 : x
  2. Step 2: Convert to fraction form
    544,557.20/763,167.40 = 544,557.20/x
  3. Step 3: Cross multiply
    544,557.20x = 763,167.40 × 544,557.20
  4. Step 4: Simplify right side
    544,557.20x = 415,588,302,475.28
  5. Step 5: Solve for x
    x = 415,588,302,475.28/544,557.20
  6. Step 6: Final answer
    x = 763,167.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.