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Finding the Fourth Proportional to 733,698.60, 1,100,547.90 and 668,744.70

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Solution

The fourth proportional to 733,698.60, 1,100,547.90 and 668,744.70 is: 1,003,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,698.60 : 1,100,547.90 = 668,744.70 : x
  2. Step 2: Convert to fraction form
    733,698.60/1,100,547.90 = 668,744.70/x
  3. Step 3: Cross multiply
    733,698.60x = 1,100,547.90 × 668,744.70
  4. Step 4: Simplify right side
    733,698.60x = 735,985,575,221.13
  5. Step 5: Solve for x
    x = 735,985,575,221.13/733,698.60
  6. Step 6: Final answer
    x = 1,003,117.05

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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.