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Finding the Fourth Proportional to 626,527.92, 864,609.80 and 371,930.16

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Solution

The fourth proportional to 626,527.92, 864,609.80 and 371,930.16 is: 513,264.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,527.92 : 864,609.80 = 371,930.16 : x
  2. Step 2: Convert to fraction form
    626,527.92/864,609.80 = 371,930.16/x
  3. Step 3: Cross multiply
    626,527.92x = 864,609.80 × 371,930.16
  4. Step 4: Simplify right side
    626,527.92x = 321,574,461,251.57
  5. Step 5: Solve for x
    x = 321,574,461,251.57/626,527.92
  6. Step 6: Final answer
    x = 513,264.37

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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.