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Finding the Fourth Proportional to 1,710,689.60, 2,566,648.80 and 1,649,249.60

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Solution

The fourth proportional to 1,710,689.60, 2,566,648.80 and 1,649,249.60 is: 2,474,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710,689.60 : 2,566,648.80 = 1,649,249.60 : x
  2. Step 2: Convert to fraction form
    1,710,689.60/2,566,648.80 = 1,649,249.60/x
  3. Step 3: Cross multiply
    1,710,689.60x = 2,566,648.80 × 1,649,249.60
  4. Step 4: Simplify right side
    1,710,689.60x = 4,233,044,506,740.48
  5. Step 5: Solve for x
    x = 4,233,044,506,740.48/1,710,689.60
  6. Step 6: Final answer
    x = 2,474,466.73

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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.