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Finding the Fourth Proportional to 1,561,988, 2,340,307.28 and 852,514

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Solution

The fourth proportional to 1,561,988, 2,340,307.28 and 852,514 is: 1,277,311.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,988 : 2,340,307.28 = 852,514 : x
  2. Step 2: Convert to fraction form
    1,561,988/2,340,307.28 = 852,514/x
  3. Step 3: Cross multiply
    1,561,988x = 2,340,307.28 × 852,514
  4. Step 4: Simplify right side
    1,561,988x = 1,995,144,720,501.92
  5. Step 5: Solve for x
    x = 1,995,144,720,501.92/1,561,988
  6. Step 6: Final answer
    x = 1,277,311.17

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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.