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Finding the Fourth Proportional to 662,495.60, 992,868.60 and 587,262.80

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Solution

The fourth proportional to 662,495.60, 992,868.60 and 587,262.80 is: 880,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,495.60 : 992,868.60 = 587,262.80 : x
  2. Step 2: Convert to fraction form
    662,495.60/992,868.60 = 587,262.80/x
  3. Step 3: Cross multiply
    662,495.60x = 992,868.60 × 587,262.80
  4. Step 4: Simplify right side
    662,495.60x = 583,074,794,068.08
  5. Step 5: Solve for x
    x = 583,074,794,068.08/662,495.60
  6. Step 6: Final answer
    x = 880,118.74

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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.