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Finding the Fourth Proportional to 502,675.80, 754,232.40 and 253,357.80

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Solution

The fourth proportional to 502,675.80, 754,232.40 and 253,357.80 is: 380,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,675.80 : 754,232.40 = 253,357.80 : x
  2. Step 2: Convert to fraction form
    502,675.80/754,232.40 = 253,357.80/x
  3. Step 3: Cross multiply
    502,675.80x = 754,232.40 × 253,357.80
  4. Step 4: Simplify right side
    502,675.80x = 191,090,661,552.72
  5. Step 5: Solve for x
    x = 191,090,661,552.72/502,675.80
  6. Step 6: Final answer
    x = 380,146.93

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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.