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Finding the Fourth Proportional to 371,424.84, 512,552.02 and 201,655.24

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Solution

The fourth proportional to 371,424.84, 512,552.02 and 201,655.24 is: 278,276.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,424.84 : 512,552.02 = 201,655.24 : x
  2. Step 2: Convert to fraction form
    371,424.84/512,552.02 = 201,655.24/x
  3. Step 3: Cross multiply
    371,424.84x = 512,552.02 × 201,655.24
  4. Step 4: Simplify right side
    371,424.84x = 103,358,800,605.59
  5. Step 5: Solve for x
    x = 103,358,800,605.59/371,424.84
  6. Step 6: Final answer
    x = 278,276.49

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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.