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Finding the Fourth Proportional to 359,051.84, 495,489.66 and 197,907.20

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Solution

The fourth proportional to 359,051.84, 495,489.66 and 197,907.20 is: 273,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,051.84 : 495,489.66 = 197,907.20 : x
  2. Step 2: Convert to fraction form
    359,051.84/495,489.66 = 197,907.20/x
  3. Step 3: Cross multiply
    359,051.84x = 495,489.66 × 197,907.20
  4. Step 4: Simplify right side
    359,051.84x = 98,060,971,239.55
  5. Step 5: Solve for x
    x = 98,060,971,239.55/359,051.84
  6. Step 6: Final answer
    x = 273,110.90

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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.