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Finding the Fourth Proportional to 486,777.24, 675,189.27 and 473,830.20

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Solution

The fourth proportional to 486,777.24, 675,189.27 and 473,830.20 is: 657,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,777.24 : 675,189.27 = 473,830.20 : x
  2. Step 2: Convert to fraction form
    486,777.24/675,189.27 = 473,830.20/x
  3. Step 3: Cross multiply
    486,777.24x = 675,189.27 × 473,830.20
  4. Step 4: Simplify right side
    486,777.24x = 319,925,066,841.95
  5. Step 5: Solve for x
    x = 319,925,066,841.95/486,777.24
  6. Step 6: Final answer
    x = 657,230.95

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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.