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Finding the Fourth Proportional to 319,200.66, 440,492.10 and 175,957.62

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Solution

The fourth proportional to 319,200.66, 440,492.10 and 175,957.62 is: 242,818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,200.66 : 440,492.10 = 175,957.62 : x
  2. Step 2: Convert to fraction form
    319,200.66/440,492.10 = 175,957.62/x
  3. Step 3: Cross multiply
    319,200.66x = 440,492.10 × 175,957.62
  4. Step 4: Simplify right side
    319,200.66x = 77,507,941,544.80
  5. Step 5: Solve for x
    x = 77,507,941,544.80/319,200.66
  6. Step 6: Final answer
    x = 242,818.86

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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.