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Finding the Fourth Proportional to 438,802.64, 605,546.76 and 237,599.12

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Solution

The fourth proportional to 438,802.64, 605,546.76 and 237,599.12 is: 327,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,802.64 : 605,546.76 = 237,599.12 : x
  2. Step 2: Convert to fraction form
    438,802.64/605,546.76 = 237,599.12/x
  3. Step 3: Cross multiply
    438,802.64x = 605,546.76 × 237,599.12
  4. Step 4: Simplify right side
    438,802.64x = 143,877,377,294.85
  5. Step 5: Solve for x
    x = 143,877,377,294.85/438,802.64
  6. Step 6: Final answer
    x = 327,886.31

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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.