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Finding the Fourth Proportional to 335,330.15, 502,995.20 and 98,672.90

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Solution

The fourth proportional to 335,330.15, 502,995.20 and 98,672.90 is: 148,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,330.15 : 502,995.20 = 98,672.90 : x
  2. Step 2: Convert to fraction form
    335,330.15/502,995.20 = 98,672.90/x
  3. Step 3: Cross multiply
    335,330.15x = 502,995.20 × 98,672.90
  4. Step 4: Simplify right side
    335,330.15x = 49,631,992,061.74
  5. Step 5: Solve for x
    x = 49,631,992,061.74/335,330.15
  6. Step 6: Final answer
    x = 148,009.34

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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.