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Finding the Fourth Proportional to 376,948.95, 520,193.57 and 204,866.93

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Solution

The fourth proportional to 376,948.95, 520,193.57 and 204,866.93 is: 282,718.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,948.95 : 520,193.57 = 204,866.93 : x
  2. Step 2: Convert to fraction form
    376,948.95/520,193.57 = 204,866.93/x
  3. Step 3: Cross multiply
    376,948.95x = 520,193.57 × 204,866.93
  4. Step 4: Simplify right side
    376,948.95x = 106,570,456,066.34
  5. Step 5: Solve for x
    x = 106,570,456,066.34/376,948.95
  6. Step 6: Final answer
    x = 282,718.54

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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.