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Finding the Fourth Proportional to 376,386.48, 519,411.24 and 204,307.92

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Solution

The fourth proportional to 376,386.48, 519,411.24 and 204,307.92 is: 281,943.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,386.48 : 519,411.24 = 204,307.92 : x
  2. Step 2: Convert to fraction form
    376,386.48/519,411.24 = 204,307.92/x
  3. Step 3: Cross multiply
    376,386.48x = 519,411.24 × 204,307.92
  4. Step 4: Simplify right side
    376,386.48x = 106,119,830,069.02
  5. Step 5: Solve for x
    x = 106,119,830,069.02/376,386.48
  6. Step 6: Final answer
    x = 281,943.79

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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.