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Finding the Fourth Proportional to 418,000.05, 626,802.57 and 161,952.57

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Solution

The fourth proportional to 418,000.05, 626,802.57 and 161,952.57 is: 242,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,000.05 : 626,802.57 = 161,952.57 : x
  2. Step 2: Convert to fraction form
    418,000.05/626,802.57 = 161,952.57/x
  3. Step 3: Cross multiply
    418,000.05x = 626,802.57 × 161,952.57
  4. Step 4: Simplify right side
    418,000.05x = 101,512,287,094.11
  5. Step 5: Solve for x
    x = 101,512,287,094.11/418,000.05
  6. Step 6: Final answer
    x = 242,852.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.