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Finding the Fourth Proportional to 319,653.17, 441,108.48 and 176,411.35

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Solution

The fourth proportional to 319,653.17, 441,108.48 and 176,411.35 is: 243,440.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,653.17 : 441,108.48 = 176,411.35 : x
  2. Step 2: Convert to fraction form
    319,653.17/441,108.48 = 176,411.35/x
  3. Step 3: Cross multiply
    319,653.17x = 441,108.48 × 176,411.35
  4. Step 4: Simplify right side
    319,653.17x = 77,816,542,453.25
  5. Step 5: Solve for x
    x = 77,816,542,453.25/319,653.17
  6. Step 6: Final answer
    x = 243,440.55

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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.