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Finding the Fourth Proportional to 319,208.62, 440,510.98 and 175,973.80

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Solution

The fourth proportional to 319,208.62, 440,510.98 and 175,973.80 is: 242,845.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,208.62 : 440,510.98 = 175,973.80 : x
  2. Step 2: Convert to fraction form
    319,208.62/440,510.98 = 175,973.80/x
  3. Step 3: Cross multiply
    319,208.62x = 440,510.98 × 175,973.80
  4. Step 4: Simplify right side
    319,208.62x = 77,518,391,092.32
  5. Step 5: Solve for x
    x = 77,518,391,092.32/319,208.62
  6. Step 6: Final answer
    x = 242,845.54

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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.