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Finding the Fourth Proportional to 674,070.93, 928,635.66 and 469,750.44

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Solution

The fourth proportional to 674,070.93, 928,635.66 and 469,750.44 is: 647,152.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,070.93 : 928,635.66 = 469,750.44 : x
  2. Step 2: Convert to fraction form
    674,070.93/928,635.66 = 469,750.44/x
  3. Step 3: Cross multiply
    674,070.93x = 928,635.66 × 469,750.44
  4. Step 4: Simplify right side
    674,070.93x = 436,227,009,884.69
  5. Step 5: Solve for x
    x = 436,227,009,884.69/674,070.93
  6. Step 6: Final answer
    x = 647,152.98

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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.