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Finding the Fourth Proportional to 363,521.12, 501,675.53 and 202,386.60

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Solution

The fourth proportional to 363,521.12, 501,675.53 and 202,386.60 is: 279,302.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,521.12 : 501,675.53 = 202,386.60 : x
  2. Step 2: Convert to fraction form
    363,521.12/501,675.53 = 202,386.60/x
  3. Step 3: Cross multiply
    363,521.12x = 501,675.53 × 202,386.60
  4. Step 4: Simplify right side
    363,521.12x = 101,532,403,807.97
  5. Step 5: Solve for x
    x = 101,532,403,807.97/363,521.12
  6. Step 6: Final answer
    x = 279,302.63

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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.