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Finding the Fourth Proportional to 1,304,641.74, 1,954,416 and 898,876.74

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Solution

The fourth proportional to 1,304,641.74, 1,954,416 and 898,876.74 is: 1,346,560.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,641.74 : 1,954,416 = 898,876.74 : x
  2. Step 2: Convert to fraction form
    1,304,641.74/1,954,416 = 898,876.74/x
  3. Step 3: Cross multiply
    1,304,641.74x = 1,954,416 × 898,876.74
  4. Step 4: Simplify right side
    1,304,641.74x = 1,756,779,082,683.84
  5. Step 5: Solve for x
    x = 1,756,779,082,683.84/1,304,641.74
  6. Step 6: Final answer
    x = 1,346,560.54

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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.