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Finding the Fourth Proportional to 261,335.70, 360,621.36 and 146,598.30

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Solution

The fourth proportional to 261,335.70, 360,621.36 and 146,598.30 is: 202,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,335.70 : 360,621.36 = 146,598.30 : x
  2. Step 2: Convert to fraction form
    261,335.70/360,621.36 = 146,598.30/x
  3. Step 3: Cross multiply
    261,335.70x = 360,621.36 × 146,598.30
  4. Step 4: Simplify right side
    261,335.70x = 52,866,478,319.69
  5. Step 5: Solve for x
    x = 52,866,478,319.69/261,335.70
  6. Step 6: Final answer
    x = 202,293.37

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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.