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Finding the Fourth Proportional to 1,353,757, 1,868,184.66 and 750,145

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Solution

The fourth proportional to 1,353,757, 1,868,184.66 and 750,145 is: 1,035,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,757 : 1,868,184.66 = 750,145 : x
  2. Step 2: Convert to fraction form
    1,353,757/1,868,184.66 = 750,145/x
  3. Step 3: Cross multiply
    1,353,757x = 1,868,184.66 × 750,145
  4. Step 4: Simplify right side
    1,353,757x = 1,401,409,381,775.70
  5. Step 5: Solve for x
    x = 1,401,409,381,775.70/1,353,757
  6. Step 6: Final answer
    x = 1,035,200.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.