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Finding the Fourth Proportional to 454,046.19, 626,528.87 and 260,443.87

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Solution

The fourth proportional to 454,046.19, 626,528.87 and 260,443.87 is: 359,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,046.19 : 626,528.87 = 260,443.87 : x
  2. Step 2: Convert to fraction form
    454,046.19/626,528.87 = 260,443.87/x
  3. Step 3: Cross multiply
    454,046.19x = 626,528.87 × 260,443.87
  4. Step 4: Simplify right side
    454,046.19x = 163,175,603,569.53
  5. Step 5: Solve for x
    x = 163,175,603,569.53/454,046.19
  6. Step 6: Final answer
    x = 359,381.07

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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.