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Finding the Fourth Proportional to 502,034.76, 692,807.85 and 275,680.26

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Solution

The fourth proportional to 502,034.76, 692,807.85 and 275,680.26 is: 380,438.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,034.76 : 692,807.85 = 275,680.26 : x
  2. Step 2: Convert to fraction form
    502,034.76/692,807.85 = 275,680.26/x
  3. Step 3: Cross multiply
    502,034.76x = 692,807.85 × 275,680.26
  4. Step 4: Simplify right side
    502,034.76x = 190,993,448,218.04
  5. Step 5: Solve for x
    x = 190,993,448,218.04/502,034.76
  6. Step 6: Final answer
    x = 380,438.69

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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.