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Finding the Fourth Proportional to 538,332.64, 807,456.58 and 234,719.63

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Solution

The fourth proportional to 538,332.64, 807,456.58 and 234,719.63 is: 352,060.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,332.64 : 807,456.58 = 234,719.63 : x
  2. Step 2: Convert to fraction form
    538,332.64/807,456.58 = 234,719.63/x
  3. Step 3: Cross multiply
    538,332.64x = 807,456.58 × 234,719.63
  4. Step 4: Simplify right side
    538,332.64x = 189,525,911,717.31
  5. Step 5: Solve for x
    x = 189,525,911,717.31/538,332.64
  6. Step 6: Final answer
    x = 352,060.97

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1.5x scale

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.