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Finding the Fourth Proportional to 583,458.78, 874,688.97 and 223,887.66

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Solution

The fourth proportional to 583,458.78, 874,688.97 and 223,887.66 is: 335,639.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,458.78 : 874,688.97 = 223,887.66 : x
  2. Step 2: Convert to fraction form
    583,458.78/874,688.97 = 223,887.66/x
  3. Step 3: Cross multiply
    583,458.78x = 874,688.97 × 223,887.66
  4. Step 4: Simplify right side
    583,458.78x = 195,832,066,721.11
  5. Step 5: Solve for x
    x = 195,832,066,721.11/583,458.78
  6. Step 6: Final answer
    x = 335,639.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.