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Finding the Fourth Proportional to 747,595.72, 1,121,383.02 and 348,013

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Solution

The fourth proportional to 747,595.72, 1,121,383.02 and 348,013 is: 522,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,595.72 : 1,121,383.02 = 348,013 : x
  2. Step 2: Convert to fraction form
    747,595.72/1,121,383.02 = 348,013/x
  3. Step 3: Cross multiply
    747,595.72x = 1,121,383.02 × 348,013
  4. Step 4: Simplify right side
    747,595.72x = 390,255,868,939.26
  5. Step 5: Solve for x
    x = 390,255,868,939.26/747,595.72
  6. Step 6: Final answer
    x = 522,014.58

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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.