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Finding the Fourth Proportional to 261,135.92, 360,477.80 and 176,367.80

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Solution

The fourth proportional to 261,135.92, 360,477.80 and 176,367.80 is: 243,462.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,135.92 : 360,477.80 = 176,367.80 : x
  2. Step 2: Convert to fraction form
    261,135.92/360,477.80 = 176,367.80/x
  3. Step 3: Cross multiply
    261,135.92x = 360,477.80 × 176,367.80
  4. Step 4: Simplify right side
    261,135.92x = 63,576,673,850.61
  5. Step 5: Solve for x
    x = 63,576,673,850.61/261,135.92
  6. Step 6: Final answer
    x = 243,462.01

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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.