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Finding the Fourth Proportional to 484,192.79, 668,159.52 and 266,397.34

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Solution

The fourth proportional to 484,192.79, 668,159.52 and 266,397.34 is: 367,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,192.79 : 668,159.52 = 266,397.34 : x
  2. Step 2: Convert to fraction form
    484,192.79/668,159.52 = 266,397.34/x
  3. Step 3: Cross multiply
    484,192.79x = 668,159.52 × 266,397.34
  4. Step 4: Simplify right side
    484,192.79x = 177,995,918,823.68
  5. Step 5: Solve for x
    x = 177,995,918,823.68/484,192.79
  6. Step 6: Final answer
    x = 367,613.73

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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.