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Finding the Fourth Proportional to 607,718.20, 910,848.30 and 252,549.40

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Solution

The fourth proportional to 607,718.20, 910,848.30 and 252,549.40 is: 378,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,718.20 : 910,848.30 = 252,549.40 : x
  2. Step 2: Convert to fraction form
    607,718.20/910,848.30 = 252,549.40/x
  3. Step 3: Cross multiply
    607,718.20x = 910,848.30 × 252,549.40
  4. Step 4: Simplify right side
    607,718.20x = 230,034,191,656.02
  5. Step 5: Solve for x
    x = 230,034,191,656.02/607,718.20
  6. Step 6: Final answer
    x = 378,521.15

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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.