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Finding the Fourth Proportional to 602,422.65, 903,080.34 and 260,652.47

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Solution

The fourth proportional to 602,422.65, 903,080.34 and 260,652.47 is: 390,739.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,422.65 : 903,080.34 = 260,652.47 : x
  2. Step 2: Convert to fraction form
    602,422.65/903,080.34 = 260,652.47/x
  3. Step 3: Cross multiply
    602,422.65x = 903,080.34 × 260,652.47
  4. Step 4: Simplify right side
    602,422.65x = 235,390,116,714.04
  5. Step 5: Solve for x
    x = 235,390,116,714.04/602,422.65
  6. Step 6: Final answer
    x = 390,739.15

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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.