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Finding the Fourth Proportional to 359,719.23, 496,412.62 and 198,574.39

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Solution

The fourth proportional to 359,719.23, 496,412.62 and 198,574.39 is: 274,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,719.23 : 496,412.62 = 198,574.39 : x
  2. Step 2: Convert to fraction form
    359,719.23/496,412.62 = 198,574.39/x
  3. Step 3: Cross multiply
    359,719.23x = 496,412.62 × 198,574.39
  4. Step 4: Simplify right side
    359,719.23x = 98,574,831,467.33
  5. Step 5: Solve for x
    x = 98,574,831,467.33/359,719.23
  6. Step 6: Final answer
    x = 274,032.70

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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.