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Finding the Fourth Proportional to 341,275.32, 512,011.40 and 104,652.86

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Solution

The fourth proportional to 341,275.32, 512,011.40 and 104,652.86 is: 157,009.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,275.32 : 512,011.40 = 104,652.86 : x
  2. Step 2: Convert to fraction form
    341,275.32/512,011.40 = 104,652.86/x
  3. Step 3: Cross multiply
    341,275.32x = 512,011.40 × 104,652.86
  4. Step 4: Simplify right side
    341,275.32x = 53,583,454,279.28
  5. Step 5: Solve for x
    x = 53,583,454,279.28/341,275.32
  6. Step 6: Final answer
    x = 157,009.46

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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.