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Finding the Fourth Proportional to 549,235.04, 825,232.80 and 349,644.56

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Solution

The fourth proportional to 549,235.04, 825,232.80 and 349,644.56 is: 525,345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,235.04 : 825,232.80 = 349,644.56 : x
  2. Step 2: Convert to fraction form
    549,235.04/825,232.80 = 349,644.56/x
  3. Step 3: Cross multiply
    549,235.04x = 825,232.80 × 349,644.56
  4. Step 4: Simplify right side
    549,235.04x = 288,538,159,253.57
  5. Step 5: Solve for x
    x = 288,538,159,253.57/549,235.04
  6. Step 6: Final answer
    x = 525,345.50

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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.