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Finding the Fourth Proportional to 235,132.16, 350,456.32 and 221,848.32

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Solution

The fourth proportional to 235,132.16, 350,456.32 and 221,848.32 is: 330,657.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,132.16 : 350,456.32 = 221,848.32 : x
  2. Step 2: Convert to fraction form
    235,132.16/350,456.32 = 221,848.32/x
  3. Step 3: Cross multiply
    235,132.16x = 350,456.32 × 221,848.32
  4. Step 4: Simplify right side
    235,132.16x = 77,748,145,825.38
  5. Step 5: Solve for x
    x = 77,748,145,825.38/235,132.16
  6. Step 6: Final answer
    x = 330,657.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.