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Finding the Fourth Proportional to 359,143.66, 495,603.32 and 195,796.63

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Solution

The fourth proportional to 359,143.66, 495,603.32 and 195,796.63 is: 270,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,143.66 : 495,603.32 = 195,796.63 : x
  2. Step 2: Convert to fraction form
    359,143.66/495,603.32 = 195,796.63/x
  3. Step 3: Cross multiply
    359,143.66x = 495,603.32 × 195,796.63
  4. Step 4: Simplify right side
    359,143.66x = 97,037,459,872.81
  5. Step 5: Solve for x
    x = 97,037,459,872.81/359,143.66
  6. Step 6: Final answer
    x = 270,191.21

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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.