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Finding the Fourth Proportional to 376,875.60, 520,085.88 and 204,792.72

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Solution

The fourth proportional to 376,875.60, 520,085.88 and 204,792.72 is: 282,612.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,875.60 : 520,085.88 = 204,792.72 : x
  2. Step 2: Convert to fraction form
    376,875.60/520,085.88 = 204,792.72/x
  3. Step 3: Cross multiply
    376,875.60x = 520,085.88 × 204,792.72
  4. Step 4: Simplify right side
    376,875.60x = 106,509,801,998.79
  5. Step 5: Solve for x
    x = 106,509,801,998.79/376,875.60
  6. Step 6: Final answer
    x = 282,612.62

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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.