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Finding the Fourth Proportional to 270,220.32, 372,852.72 and 169,572.96

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Solution

The fourth proportional to 270,220.32, 372,852.72 and 169,572.96 is: 233,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,220.32 : 372,852.72 = 169,572.96 : x
  2. Step 2: Convert to fraction form
    270,220.32/372,852.72 = 169,572.96/x
  3. Step 3: Cross multiply
    270,220.32x = 372,852.72 × 169,572.96
  4. Step 4: Simplify right side
    270,220.32x = 63,225,739,374.45
  5. Step 5: Solve for x
    x = 63,225,739,374.45/270,220.32
  6. Step 6: Final answer
    x = 233,978.48

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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.