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Finding the Fourth Proportional to 243,856.64, 336,637.21 and 183,450.28

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Solution

The fourth proportional to 243,856.64, 336,637.21 and 183,450.28 is: 253,247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,856.64 : 336,637.21 = 183,450.28 : x
  2. Step 2: Convert to fraction form
    243,856.64/336,637.21 = 183,450.28/x
  3. Step 3: Cross multiply
    243,856.64x = 336,637.21 × 183,450.28
  4. Step 4: Simplify right side
    243,856.64x = 61,756,190,432.92
  5. Step 5: Solve for x
    x = 61,756,190,432.92/243,856.64
  6. Step 6: Final answer
    x = 253,247.93

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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.