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Finding the Fourth Proportional to 788,714.10, 1,182,034.35 and 699,549.30

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Solution

The fourth proportional to 788,714.10, 1,182,034.35 and 699,549.30 is: 1,048,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,714.10 : 1,182,034.35 = 699,549.30 : x
  2. Step 2: Convert to fraction form
    788,714.10/1,182,034.35 = 699,549.30/x
  3. Step 3: Cross multiply
    788,714.10x = 1,182,034.35 × 699,549.30
  4. Step 4: Simplify right side
    788,714.10x = 826,891,302,118.46
  5. Step 5: Solve for x
    x = 826,891,302,118.46/788,714.10
  6. Step 6: Final answer
    x = 1,048,404.36

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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.