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Finding the Fourth Proportional to 525,043.52, 724,307.84 and 343,675.52

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Solution

The fourth proportional to 525,043.52, 724,307.84 and 343,675.52 is: 474,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,043.52 : 724,307.84 = 343,675.52 : x
  2. Step 2: Convert to fraction form
    525,043.52/724,307.84 = 343,675.52/x
  3. Step 3: Cross multiply
    525,043.52x = 724,307.84 × 343,675.52
  4. Step 4: Simplify right side
    525,043.52x = 248,926,873,552.08
  5. Step 5: Solve for x
    x = 248,926,873,552.08/525,043.52
  6. Step 6: Final answer
    x = 474,107.12

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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.