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Finding the Fourth Proportional to 320,235.66, 441,925.29 and 176,995.71

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Solution

The fourth proportional to 320,235.66, 441,925.29 and 176,995.71 is: 244,254.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,235.66 : 441,925.29 = 176,995.71 : x
  2. Step 2: Convert to fraction form
    320,235.66/441,925.29 = 176,995.71/x
  3. Step 3: Cross multiply
    320,235.66x = 441,925.29 × 176,995.71
  4. Step 4: Simplify right side
    320,235.66x = 78,218,880,470.51
  5. Step 5: Solve for x
    x = 78,218,880,470.51/320,235.66
  6. Step 6: Final answer
    x = 244,254.12

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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.