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Finding the Fourth Proportional to 359,014.62, 495,420.90 and 197,837.58

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Solution

The fourth proportional to 359,014.62, 495,420.90 and 197,837.58 is: 273,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,014.62 : 495,420.90 = 197,837.58 : x
  2. Step 2: Convert to fraction form
    359,014.62/495,420.90 = 197,837.58/x
  3. Step 3: Cross multiply
    359,014.62x = 495,420.90 × 197,837.58
  4. Step 4: Simplify right side
    359,014.62x = 98,012,871,937.42
  5. Step 5: Solve for x
    x = 98,012,871,937.42/359,014.62
  6. Step 6: Final answer
    x = 273,005.24

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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.