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Finding the Fourth Proportional to 706,432.88, 977,444.48 and 615,977.35

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Solution

The fourth proportional to 706,432.88, 977,444.48 and 615,977.35 is: 852,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,432.88 : 977,444.48 = 615,977.35 : x
  2. Step 2: Convert to fraction form
    706,432.88/977,444.48 = 615,977.35/x
  3. Step 3: Cross multiply
    706,432.88x = 977,444.48 × 615,977.35
  4. Step 4: Simplify right side
    706,432.88x = 602,083,659,658.86
  5. Step 5: Solve for x
    x = 602,083,659,658.86/706,432.88
  6. Step 6: Final answer
    x = 852,287.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.