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Finding the Fourth Proportional to 338,248.50, 466,797.78 and 187,345.50

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Solution

The fourth proportional to 338,248.50, 466,797.78 and 187,345.50 is: 258,545.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,248.50 : 466,797.78 = 187,345.50 : x
  2. Step 2: Convert to fraction form
    338,248.50/466,797.78 = 187,345.50/x
  3. Step 3: Cross multiply
    338,248.50x = 466,797.78 × 187,345.50
  4. Step 4: Simplify right side
    338,248.50x = 87,452,463,492.99
  5. Step 5: Solve for x
    x = 87,452,463,492.99/338,248.50
  6. Step 6: Final answer
    x = 258,545.01

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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.