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Finding the Fourth Proportional to 387,552.65, 534,852.60 and 232,509.74

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Solution

The fourth proportional to 387,552.65, 534,852.60 and 232,509.74 is: 320,881.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,552.65 : 534,852.60 = 232,509.74 : x
  2. Step 2: Convert to fraction form
    387,552.65/534,852.60 = 232,509.74/x
  3. Step 3: Cross multiply
    387,552.65x = 534,852.60 × 232,509.74
  4. Step 4: Simplify right side
    387,552.65x = 124,358,439,734.56
  5. Step 5: Solve for x
    x = 124,358,439,734.56/387,552.65
  6. Step 6: Final answer
    x = 320,881.41

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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.