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Finding the Fourth Proportional to 586,722.45, 878,966.48 and 334,177.26

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Solution

The fourth proportional to 586,722.45, 878,966.48 and 334,177.26 is: 500,629.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,722.45 : 878,966.48 = 334,177.26 : x
  2. Step 2: Convert to fraction form
    586,722.45/878,966.48 = 334,177.26/x
  3. Step 3: Cross multiply
    586,722.45x = 878,966.48 × 334,177.26
  4. Step 4: Simplify right side
    586,722.45x = 293,730,609,918.25
  5. Step 5: Solve for x
    x = 293,730,609,918.25/586,722.45
  6. Step 6: Final answer
    x = 500,629.57

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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.