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Finding the Fourth Proportional to 747,594.72, 1,121,381.52 and 348,012

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Solution

The fourth proportional to 747,594.72, 1,121,381.52 and 348,012 is: 522,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,594.72 : 1,121,381.52 = 348,012 : x
  2. Step 2: Convert to fraction form
    747,594.72/1,121,381.52 = 348,012/x
  3. Step 3: Cross multiply
    747,594.72x = 1,121,381.52 × 348,012
  4. Step 4: Simplify right side
    747,594.72x = 390,254,225,538.24
  5. Step 5: Solve for x
    x = 390,254,225,538.24/747,594.72
  6. Step 6: Final answer
    x = 522,013.08

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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.