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Finding the Fourth Proportional to 674,377.60, 930,613.56 and 368,464.58

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Solution

The fourth proportional to 674,377.60, 930,613.56 and 368,464.58 is: 508,466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,377.60 : 930,613.56 = 368,464.58 : x
  2. Step 2: Convert to fraction form
    674,377.60/930,613.56 = 368,464.58/x
  3. Step 3: Cross multiply
    674,377.60x = 930,613.56 × 368,464.58
  4. Step 4: Simplify right side
    674,377.60x = 342,898,134,527.71
  5. Step 5: Solve for x
    x = 342,898,134,527.71/674,377.60
  6. Step 6: Final answer
    x = 508,466.08

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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.