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Finding the Fourth Proportional to 316,697.08, 437,026.38 and 173,457.76

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Solution

The fourth proportional to 316,697.08, 437,026.38 and 173,457.76 is: 239,363.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,697.08 : 437,026.38 = 173,457.76 : x
  2. Step 2: Convert to fraction form
    316,697.08/437,026.38 = 173,457.76/x
  3. Step 3: Cross multiply
    316,697.08x = 437,026.38 × 173,457.76
  4. Step 4: Simplify right side
    316,697.08x = 75,805,616,935.71
  5. Step 5: Solve for x
    x = 75,805,616,935.71/316,697.08
  6. Step 6: Final answer
    x = 239,363.17

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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.