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Finding the Fourth Proportional to 423,018.88, 583,755.54 and 241,719.28

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Solution

The fourth proportional to 423,018.88, 583,755.54 and 241,719.28 is: 333,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,018.88 : 583,755.54 = 241,719.28 : x
  2. Step 2: Convert to fraction form
    423,018.88/583,755.54 = 241,719.28/x
  3. Step 3: Cross multiply
    423,018.88x = 583,755.54 × 241,719.28
  4. Step 4: Simplify right side
    423,018.88x = 141,104,968,824.81
  5. Step 5: Solve for x
    x = 141,104,968,824.81/423,018.88
  6. Step 6: Final answer
    x = 333,566.60

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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.