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Finding the Fourth Proportional to 317,307.58, 437,882.02 and 174,066.64

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Solution

The fourth proportional to 317,307.58, 437,882.02 and 174,066.64 is: 240,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,307.58 : 437,882.02 = 174,066.64 : x
  2. Step 2: Convert to fraction form
    317,307.58/437,882.02 = 174,066.64/x
  3. Step 3: Cross multiply
    317,307.58x = 437,882.02 × 174,066.64
  4. Step 4: Simplify right side
    317,307.58x = 76,220,651,937.81
  5. Step 5: Solve for x
    x = 76,220,651,937.81/317,307.58
  6. Step 6: Final answer
    x = 240,210.62

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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.