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Finding the Fourth Proportional to 359,145.66, 495,606.08 and 195,798.64

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Solution

The fourth proportional to 359,145.66, 495,606.08 and 195,798.64 is: 270,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,145.66 : 495,606.08 = 195,798.64 : x
  2. Step 2: Convert to fraction form
    359,145.66/495,606.08 = 195,798.64/x
  3. Step 3: Cross multiply
    359,145.66x = 495,606.08 × 195,798.64
  4. Step 4: Simplify right side
    359,145.66x = 97,038,996,439.73
  5. Step 5: Solve for x
    x = 97,038,996,439.73/359,145.66
  6. Step 6: Final answer
    x = 270,193.98

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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.