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Finding the Fourth Proportional to 586,686.40, 880,094.40 and 187,259.20

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Solution

The fourth proportional to 586,686.40, 880,094.40 and 187,259.20 is: 280,909.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,686.40 : 880,094.40 = 187,259.20 : x
  2. Step 2: Convert to fraction form
    586,686.40/880,094.40 = 187,259.20/x
  3. Step 3: Cross multiply
    586,686.40x = 880,094.40 × 187,259.20
  4. Step 4: Simplify right side
    586,686.40x = 164,805,773,268.48
  5. Step 5: Solve for x
    x = 164,805,773,268.48/586,686.40
  6. Step 6: Final answer
    x = 280,909.48

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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.