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Finding the Fourth Proportional to 587,599.74, 810,658.71 and 435,003.18

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Solution

The fourth proportional to 587,599.74, 810,658.71 and 435,003.18 is: 600,134.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,599.74 : 810,658.71 = 435,003.18 : x
  2. Step 2: Convert to fraction form
    587,599.74/810,658.71 = 435,003.18/x
  3. Step 3: Cross multiply
    587,599.74x = 810,658.71 × 435,003.18
  4. Step 4: Simplify right side
    587,599.74x = 352,639,119,321.24
  5. Step 5: Solve for x
    x = 352,639,119,321.24/587,599.74
  6. Step 6: Final answer
    x = 600,134.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.