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Finding the Fourth Proportional to 369,578.70, 510,017.51 and 199,812.83

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Solution

The fourth proportional to 369,578.70, 510,017.51 and 199,812.83 is: 275,741.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,578.70 : 510,017.51 = 199,812.83 : x
  2. Step 2: Convert to fraction form
    369,578.70/510,017.51 = 199,812.83/x
  3. Step 3: Cross multiply
    369,578.70x = 510,017.51 × 199,812.83
  4. Step 4: Simplify right side
    369,578.70x = 101,908,039,972.10
  5. Step 5: Solve for x
    x = 101,908,039,972.10/369,578.70
  6. Step 6: Final answer
    x = 275,741.11

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1.5x scale

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.