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Finding the Fourth Proportional to 316,773.59, 437,158.44 and 173,533.59

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Solution

The fourth proportional to 316,773.59, 437,158.44 and 173,533.59 is: 239,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,773.59 : 437,158.44 = 173,533.59 : x
  2. Step 2: Convert to fraction form
    316,773.59/437,158.44 = 173,533.59/x
  3. Step 3: Cross multiply
    316,773.59x = 437,158.44 × 173,533.59
  4. Step 4: Simplify right side
    316,773.59x = 75,861,673,492.00
  5. Step 5: Solve for x
    x = 75,861,673,492.00/316,773.59
  6. Step 6: Final answer
    x = 239,482.32

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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.