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Finding the Fourth Proportional to 627,674.80, 866,263.80 and 373,023.76

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Solution

The fourth proportional to 627,674.80, 866,263.80 and 373,023.76 is: 514,815.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,674.80 : 866,263.80 = 373,023.76 : x
  2. Step 2: Convert to fraction form
    627,674.80/866,263.80 = 373,023.76/x
  3. Step 3: Cross multiply
    627,674.80x = 866,263.80 × 373,023.76
  4. Step 4: Simplify right side
    627,674.80x = 323,136,979,827.89
  5. Step 5: Solve for x
    x = 323,136,979,827.89/627,674.80
  6. Step 6: Final answer
    x = 514,815.92

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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.