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Finding the Fourth Proportional to 486,785.12, 675,200.22 and 473,838.08

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Solution

The fourth proportional to 486,785.12, 675,200.22 and 473,838.08 is: 657,241.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,785.12 : 675,200.22 = 473,838.08 : x
  2. Step 2: Convert to fraction form
    486,785.12/675,200.22 = 473,838.08/x
  3. Step 3: Cross multiply
    486,785.12x = 675,200.22 × 473,838.08
  4. Step 4: Simplify right side
    486,785.12x = 319,935,570,707.48
  5. Step 5: Solve for x
    x = 319,935,570,707.48/486,785.12
  6. Step 6: Final answer
    x = 657,241.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.