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Finding the Fourth Proportional to 439,802.10, 606,928.06 and 238,598.10

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Solution

The fourth proportional to 439,802.10, 606,928.06 and 238,598.10 is: 329,266.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,802.10 : 606,928.06 = 238,598.10 : x
  2. Step 2: Convert to fraction form
    439,802.10/606,928.06 = 238,598.10/x
  3. Step 3: Cross multiply
    439,802.10x = 606,928.06 × 238,598.10
  4. Step 4: Simplify right side
    439,802.10x = 144,811,881,952.69
  5. Step 5: Solve for x
    x = 144,811,881,952.69/439,802.10
  6. Step 6: Final answer
    x = 329,266.01

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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.