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Finding the Fourth Proportional to 410,613.71, 565,839.47 and 313,926.84

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Solution

The fourth proportional to 410,613.71, 565,839.47 and 313,926.84 is: 432,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,613.71 : 565,839.47 = 313,926.84 : x
  2. Step 2: Convert to fraction form
    410,613.71/565,839.47 = 313,926.84/x
  3. Step 3: Cross multiply
    410,613.71x = 565,839.47 × 313,926.84
  4. Step 4: Simplify right side
    410,613.71x = 177,632,197,549.19
  5. Step 5: Solve for x
    x = 177,632,197,549.19/410,613.71
  6. Step 6: Final answer
    x = 432,601.73

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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.