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Finding the Fourth Proportional to 662,507.60, 992,886.60 and 587,274.80

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Solution

The fourth proportional to 662,507.60, 992,886.60 and 587,274.80 is: 880,136.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,507.60 : 992,886.60 = 587,274.80 : x
  2. Step 2: Convert to fraction form
    662,507.60/992,886.60 = 587,274.80/x
  3. Step 3: Cross multiply
    662,507.60x = 992,886.60 × 587,274.80
  4. Step 4: Simplify right side
    662,507.60x = 583,097,279,437.68
  5. Step 5: Solve for x
    x = 583,097,279,437.68/662,507.60
  6. Step 6: Final answer
    x = 880,136.74

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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.