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Finding the Fourth Proportional to 1,710,982.52, 2,361,404.60 and 985,689.08

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Solution

The fourth proportional to 1,710,982.52, 2,361,404.60 and 985,689.08 is: 1,360,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710,982.52 : 2,361,404.60 = 985,689.08 : x
  2. Step 2: Convert to fraction form
    1,710,982.52/2,361,404.60 = 985,689.08/x
  3. Step 3: Cross multiply
    1,710,982.52x = 2,361,404.60 × 985,689.08
  4. Step 4: Simplify right side
    1,710,982.52x = 2,327,610,727,681.77
  5. Step 5: Solve for x
    x = 2,327,610,727,681.77/1,710,982.52
  6. Step 6: Final answer
    x = 1,360,394.22

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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.