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Finding the Fourth Proportional to 359,675.19, 496,349.01 and 198,530.19

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Solution

The fourth proportional to 359,675.19, 496,349.01 and 198,530.19 is: 273,970.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,675.19 : 496,349.01 = 198,530.19 : x
  2. Step 2: Convert to fraction form
    359,675.19/496,349.01 = 198,530.19/x
  3. Step 3: Cross multiply
    359,675.19x = 496,349.01 × 198,530.19
  4. Step 4: Simplify right side
    359,675.19x = 98,540,263,261.61
  5. Step 5: Solve for x
    x = 98,540,263,261.61/359,675.19
  6. Step 6: Final answer
    x = 273,970.14

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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.