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Finding the Fourth Proportional to 225,266.67, 310,657.28 and 152,680.14

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Solution

The fourth proportional to 225,266.67, 310,657.28 and 152,680.14 is: 210,555.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,266.67 : 310,657.28 = 152,680.14 : x
  2. Step 2: Convert to fraction form
    225,266.67/310,657.28 = 152,680.14/x
  3. Step 3: Cross multiply
    225,266.67x = 310,657.28 × 152,680.14
  4. Step 4: Simplify right side
    225,266.67x = 47,431,196,239.02
  5. Step 5: Solve for x
    x = 47,431,196,239.02/225,266.67
  6. Step 6: Final answer
    x = 210,555.77

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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.