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Finding the Fourth Proportional to 314,867.70, 472,301.55 and 181,679.40

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Solution

The fourth proportional to 314,867.70, 472,301.55 and 181,679.40 is: 272,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,867.70 : 472,301.55 = 181,679.40 : x
  2. Step 2: Convert to fraction form
    314,867.70/472,301.55 = 181,679.40/x
  3. Step 3: Cross multiply
    314,867.70x = 472,301.55 × 181,679.40
  4. Step 4: Simplify right side
    314,867.70x = 85,807,462,223.07
  5. Step 5: Solve for x
    x = 85,807,462,223.07/314,867.70
  6. Step 6: Final answer
    x = 272,519.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.