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Finding the Fourth Proportional to 850,809.30, 1,275,011.10 and 471,897

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Solution

The fourth proportional to 850,809.30, 1,275,011.10 and 471,897 is: 707,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,809.30 : 1,275,011.10 = 471,897 : x
  2. Step 2: Convert to fraction form
    850,809.30/1,275,011.10 = 471,897/x
  3. Step 3: Cross multiply
    850,809.30x = 1,275,011.10 × 471,897
  4. Step 4: Simplify right side
    850,809.30x = 601,673,913,056.70
  5. Step 5: Solve for x
    x = 601,673,913,056.70/850,809.30
  6. Step 6: Final answer
    x = 707,178.35

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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.