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Finding the Fourth Proportional to 359,057.89, 495,477.35 and 197,904.07

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Solution

The fourth proportional to 359,057.89, 495,477.35 and 197,904.07 is: 273,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,057.89 : 495,477.35 = 197,904.07 : x
  2. Step 2: Convert to fraction form
    359,057.89/495,477.35 = 197,904.07/x
  3. Step 3: Cross multiply
    359,057.89x = 495,477.35 × 197,904.07
  4. Step 4: Simplify right side
    359,057.89x = 98,056,984,157.81
  5. Step 5: Solve for x
    x = 98,056,984,157.81/359,057.89
  6. Step 6: Final answer
    x = 273,095.19

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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.