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Finding the Fourth Proportional to 247,499.64, 341,291.28 and 146,878.20

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Solution

The fourth proportional to 247,499.64, 341,291.28 and 146,878.20 is: 202,538.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,499.64 : 341,291.28 = 146,878.20 : x
  2. Step 2: Convert to fraction form
    247,499.64/341,291.28 = 146,878.20/x
  3. Step 3: Cross multiply
    247,499.64x = 341,291.28 × 146,878.20
  4. Step 4: Simplify right side
    247,499.64x = 50,128,248,882.10
  5. Step 5: Solve for x
    x = 50,128,248,882.10/247,499.64
  6. Step 6: Final answer
    x = 202,538.67

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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.