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Finding the Fourth Proportional to 612,967.20, 917,701.20 and 595,471.20

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Solution

The fourth proportional to 612,967.20, 917,701.20 and 595,471.20 is: 891,507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,967.20 : 917,701.20 = 595,471.20 : x
  2. Step 2: Convert to fraction form
    612,967.20/917,701.20 = 595,471.20/x
  3. Step 3: Cross multiply
    612,967.20x = 917,701.20 × 595,471.20
  4. Step 4: Simplify right side
    612,967.20x = 546,464,634,805.44
  5. Step 5: Solve for x
    x = 546,464,634,805.44/612,967.20
  6. Step 6: Final answer
    x = 891,507.14

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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.