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Finding the Fourth Proportional to 585,908.14, 808,613.51 and 356,481.72

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Solution

The fourth proportional to 585,908.14, 808,613.51 and 356,481.72 is: 491,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,908.14 : 808,613.51 = 356,481.72 : x
  2. Step 2: Convert to fraction form
    585,908.14/808,613.51 = 356,481.72/x
  3. Step 3: Cross multiply
    585,908.14x = 808,613.51 × 356,481.72
  4. Step 4: Simplify right side
    585,908.14x = 288,255,934,860.04
  5. Step 5: Solve for x
    x = 288,255,934,860.04/585,908.14
  6. Step 6: Final answer
    x = 491,981.45

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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.