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Finding the Fourth Proportional to 319,041.09, 440,296.29 and 175,801.10

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Solution

The fourth proportional to 319,041.09, 440,296.29 and 175,801.10 is: 242,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,041.09 : 440,296.29 = 175,801.10 : x
  2. Step 2: Convert to fraction form
    319,041.09/440,296.29 = 175,801.10/x
  3. Step 3: Cross multiply
    319,041.09x = 440,296.29 × 175,801.10
  4. Step 4: Simplify right side
    319,041.09x = 77,404,569,906.44
  5. Step 5: Solve for x
    x = 77,404,569,906.44/319,041.09
  6. Step 6: Final answer
    x = 242,616.30

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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.