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Finding the Fourth Proportional to 474,434.67, 654,655.19 and 283,407.51

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Solution

The fourth proportional to 474,434.67, 654,655.19 and 283,407.51 is: 391,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,434.67 : 654,655.19 = 283,407.51 : x
  2. Step 2: Convert to fraction form
    474,434.67/654,655.19 = 283,407.51/x
  3. Step 3: Cross multiply
    474,434.67x = 654,655.19 × 283,407.51
  4. Step 4: Simplify right side
    474,434.67x = 185,534,195,889.44
  5. Step 5: Solve for x
    x = 185,534,195,889.44/474,434.67
  6. Step 6: Final answer
    x = 391,063.74

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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.