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Finding the Fourth Proportional to 359,359.25, 495,907.07 and 198,210.84

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Solution

The fourth proportional to 359,359.25, 495,907.07 and 198,210.84 is: 273,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,359.25 : 495,907.07 = 198,210.84 : x
  2. Step 2: Convert to fraction form
    359,359.25/495,907.07 = 198,210.84/x
  3. Step 3: Cross multiply
    359,359.25x = 495,907.07 × 198,210.84
  4. Step 4: Simplify right side
    359,359.25x = 98,294,156,906.64
  5. Step 5: Solve for x
    x = 98,294,156,906.64/359,359.25
  6. Step 6: Final answer
    x = 273,526.16

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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.