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Finding the Fourth Proportional to 291,783.92, 402,653.76 and 162,726.32

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Solution

The fourth proportional to 291,783.92, 402,653.76 and 162,726.32 is: 224,557.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,783.92 : 402,653.76 = 162,726.32 : x
  2. Step 2: Convert to fraction form
    291,783.92/402,653.76 = 162,726.32/x
  3. Step 3: Cross multiply
    291,783.92x = 402,653.76 × 162,726.32
  4. Step 4: Simplify right side
    291,783.92x = 65,522,362,585.69
  5. Step 5: Solve for x
    x = 65,522,362,585.69/291,783.92
  6. Step 6: Final answer
    x = 224,557.83

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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.