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Finding the Fourth Proportional to 559,892.25, 772,670.75 and 318,185.01

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Solution

The fourth proportional to 559,892.25, 772,670.75 and 318,185.01 is: 439,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,892.25 : 772,670.75 = 318,185.01 : x
  2. Step 2: Convert to fraction form
    559,892.25/772,670.75 = 318,185.01/x
  3. Step 3: Cross multiply
    559,892.25x = 772,670.75 × 318,185.01
  4. Step 4: Simplify right side
    559,892.25x = 245,852,248,724.53
  5. Step 5: Solve for x
    x = 245,852,248,724.53/559,892.25
  6. Step 6: Final answer
    x = 439,106.36

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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.