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Finding the Fourth Proportional to 879,398.04, 1,319,148.09 and 248,259

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Solution

The fourth proportional to 879,398.04, 1,319,148.09 and 248,259 is: 372,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,398.04 : 1,319,148.09 = 248,259 : x
  2. Step 2: Convert to fraction form
    879,398.04/1,319,148.09 = 248,259/x
  3. Step 3: Cross multiply
    879,398.04x = 1,319,148.09 × 248,259
  4. Step 4: Simplify right side
    879,398.04x = 327,490,385,675.31
  5. Step 5: Solve for x
    x = 327,490,385,675.31/879,398.04
  6. Step 6: Final answer
    x = 372,402.91

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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.