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Finding the Fourth Proportional to 586,037.77, 876,658.61 and 442,818.43

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Solution

The fourth proportional to 586,037.77, 876,658.61 and 442,818.43 is: 662,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,037.77 : 876,658.61 = 442,818.43 : x
  2. Step 2: Convert to fraction form
    586,037.77/876,658.61 = 442,818.43/x
  3. Step 3: Cross multiply
    586,037.77x = 876,658.61 × 442,818.43
  4. Step 4: Simplify right side
    586,037.77x = 388,200,588,241.58
  5. Step 5: Solve for x
    x = 388,200,588,241.58/586,037.77
  6. Step 6: Final answer
    x = 662,415.65

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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.