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Finding the Fourth Proportional to 440,028, 607,240.26 and 238,824

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Solution

The fourth proportional to 440,028, 607,240.26 and 238,824 is: 329,578.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,028 : 607,240.26 = 238,824 : x
  2. Step 2: Convert to fraction form
    440,028/607,240.26 = 238,824/x
  3. Step 3: Cross multiply
    440,028x = 607,240.26 × 238,824
  4. Step 4: Simplify right side
    440,028x = 145,023,547,854.24
  5. Step 5: Solve for x
    x = 145,023,547,854.24/440,028
  6. Step 6: Final answer
    x = 329,578.00

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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.