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Finding the Fourth Proportional to 316,792.35, 437,173.47 and 173,552.76

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Solution

The fourth proportional to 316,792.35, 437,173.47 and 173,552.76 is: 239,502.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,792.35 : 437,173.47 = 173,552.76 : x
  2. Step 2: Convert to fraction form
    316,792.35/437,173.47 = 173,552.76/x
  3. Step 3: Cross multiply
    316,792.35x = 437,173.47 × 173,552.76
  4. Step 4: Simplify right side
    316,792.35x = 75,872,662,317.28
  5. Step 5: Solve for x
    x = 75,872,662,317.28/316,792.35
  6. Step 6: Final answer
    x = 239,502.82

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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.