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Finding the Fourth Proportional to 576,659.34, 864,665.06 and 239,473.15

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Solution

The fourth proportional to 576,659.34, 864,665.06 and 239,473.15 is: 359,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,659.34 : 864,665.06 = 239,473.15 : x
  2. Step 2: Convert to fraction form
    576,659.34/864,665.06 = 239,473.15/x
  3. Step 3: Cross multiply
    576,659.34x = 864,665.06 × 239,473.15
  4. Step 4: Simplify right side
    576,659.34x = 207,064,065,613.14
  5. Step 5: Solve for x
    x = 207,064,065,613.14/576,659.34
  6. Step 6: Final answer
    x = 359,075.20

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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.