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Finding the Fourth Proportional to 377,095.53, 520,402.09 and 205,025.07

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Solution

The fourth proportional to 377,095.53, 520,402.09 and 205,025.07 is: 282,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,095.53 : 520,402.09 = 205,025.07 : x
  2. Step 2: Convert to fraction form
    377,095.53/520,402.09 = 205,025.07/x
  3. Step 3: Cross multiply
    377,095.53x = 520,402.09 × 205,025.07
  4. Step 4: Simplify right side
    377,095.53x = 106,695,473,826.50
  5. Step 5: Solve for x
    x = 106,695,473,826.50/377,095.53
  6. Step 6: Final answer
    x = 282,940.17

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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.