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Finding the Fourth Proportional to 480,882.56, 663,637.48 and 266,018.92

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Solution

The fourth proportional to 480,882.56, 663,637.48 and 266,018.92 is: 367,116.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,882.56 : 663,637.48 = 266,018.92 : x
  2. Step 2: Convert to fraction form
    480,882.56/663,637.48 = 266,018.92/x
  3. Step 3: Cross multiply
    480,882.56x = 663,637.48 × 266,018.92
  4. Step 4: Simplify right side
    480,882.56x = 176,540,125,701.12
  5. Step 5: Solve for x
    x = 176,540,125,701.12/480,882.56
  6. Step 6: Final answer
    x = 367,116.92

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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.