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Finding the Fourth Proportional to 387,671.37, 535,034.18 and 234,762.74

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Solution

The fourth proportional to 387,671.37, 535,034.18 and 234,762.74 is: 324,001.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,671.37 : 535,034.18 = 234,762.74 : x
  2. Step 2: Convert to fraction form
    387,671.37/535,034.18 = 234,762.74/x
  3. Step 3: Cross multiply
    387,671.37x = 535,034.18 × 234,762.74
  4. Step 4: Simplify right side
    387,671.37x = 125,606,087,415.28
  5. Step 5: Solve for x
    x = 125,606,087,415.28/387,671.37
  6. Step 6: Final answer
    x = 324,001.46

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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.