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Finding the Fourth Proportional to 334,999.80, 502,326.90 and 124,529.40

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Solution

The fourth proportional to 334,999.80, 502,326.90 and 124,529.40 is: 186,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,999.80 : 502,326.90 = 124,529.40 : x
  2. Step 2: Convert to fraction form
    334,999.80/502,326.90 = 124,529.40/x
  3. Step 3: Cross multiply
    334,999.80x = 502,326.90 × 124,529.40
  4. Step 4: Simplify right side
    334,999.80x = 62,554,467,460.86
  5. Step 5: Solve for x
    x = 62,554,467,460.86/334,999.80
  6. Step 6: Final answer
    x = 186,729.87

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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.