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Finding the Fourth Proportional to 508,621.92, 702,025.68 and 293,886.72

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Solution

The fourth proportional to 508,621.92, 702,025.68 and 293,886.72 is: 405,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,621.92 : 702,025.68 = 293,886.72 : x
  2. Step 2: Convert to fraction form
    508,621.92/702,025.68 = 293,886.72/x
  3. Step 3: Cross multiply
    508,621.92x = 702,025.68 × 293,886.72
  4. Step 4: Simplify right side
    508,621.92x = 206,316,024,450.97
  5. Step 5: Solve for x
    x = 206,316,024,450.97/508,621.92
  6. Step 6: Final answer
    x = 405,637.30

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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.