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Finding the Fourth Proportional to 292,465.66, 438,727.38 and 121,652.32

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Solution

The fourth proportional to 292,465.66, 438,727.38 and 121,652.32 is: 182,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,465.66 : 438,727.38 = 121,652.32 : x
  2. Step 2: Convert to fraction form
    292,465.66/438,727.38 = 121,652.32/x
  3. Step 3: Cross multiply
    292,465.66x = 438,727.38 × 121,652.32
  4. Step 4: Simplify right side
    292,465.66x = 53,372,203,624.52
  5. Step 5: Solve for x
    x = 53,372,203,624.52/292,465.66
  6. Step 6: Final answer
    x = 182,490.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.