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Finding the Fourth Proportional to 354,075.72, 531,507.24 and 348,564.48

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Solution

The fourth proportional to 354,075.72, 531,507.24 and 348,564.48 is: 523,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,075.72 : 531,507.24 = 348,564.48 : x
  2. Step 2: Convert to fraction form
    354,075.72/531,507.24 = 348,564.48/x
  3. Step 3: Cross multiply
    354,075.72x = 531,507.24 × 348,564.48
  4. Step 4: Simplify right side
    354,075.72x = 185,264,544,726.84
  5. Step 5: Solve for x
    x = 185,264,544,726.84/354,075.72
  6. Step 6: Final answer
    x = 523,234.25

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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.