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Finding the Fourth Proportional to 319,292.52, 440,643.52 and 176,052.34

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Solution

The fourth proportional to 319,292.52, 440,643.52 and 176,052.34 is: 242,963.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,292.52 : 440,643.52 = 176,052.34 : x
  2. Step 2: Convert to fraction form
    319,292.52/440,643.52 = 176,052.34/x
  3. Step 3: Cross multiply
    319,292.52x = 440,643.52 × 176,052.34
  4. Step 4: Simplify right side
    319,292.52x = 77,576,322,801.84
  5. Step 5: Solve for x
    x = 77,576,322,801.84/319,292.52
  6. Step 6: Final answer
    x = 242,963.17

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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.