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Finding the Fourth Proportional to 616,414.32, 850,913.61 and 374,774.04

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Solution

The fourth proportional to 616,414.32, 850,913.61 and 374,774.04 is: 517,347.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,414.32 : 850,913.61 = 374,774.04 : x
  2. Step 2: Convert to fraction form
    616,414.32/850,913.61 = 374,774.04/x
  3. Step 3: Cross multiply
    616,414.32x = 850,913.61 × 374,774.04
  4. Step 4: Simplify right side
    616,414.32x = 318,900,329,905.28
  5. Step 5: Solve for x
    x = 318,900,329,905.28/616,414.32
  6. Step 6: Final answer
    x = 517,347.37

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1.5x scale

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.