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Finding the Fourth Proportional to 6,335,412.70, 9,503,119.05 and 6,240,934.30

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Solution

The fourth proportional to 6,335,412.70, 9,503,119.05 and 6,240,934.30 is: 9,361,401.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,335,412.70 : 9,503,119.05 = 6,240,934.30 : x
  2. Step 2: Convert to fraction form
    6,335,412.70/9,503,119.05 = 6,240,934.30/x
  3. Step 3: Cross multiply
    6,335,412.70x = 9,503,119.05 × 6,240,934.30
  4. Step 4: Simplify right side
    6,335,412.70x = 59,308,341,636,128.41
  5. Step 5: Solve for x
    x = 59,308,341,636,128.41/6,335,412.70
  6. Step 6: Final answer
    x = 9,361,401.45

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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.