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Finding the Fourth Proportional to 549,578.48, 824,485.28 and 170,490.98

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Solution

The fourth proportional to 549,578.48, 824,485.28 and 170,490.98 is: 255,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,578.48 : 824,485.28 = 170,490.98 : x
  2. Step 2: Convert to fraction form
    549,578.48/824,485.28 = 170,490.98/x
  3. Step 3: Cross multiply
    549,578.48x = 824,485.28 × 170,490.98
  4. Step 4: Simplify right side
    549,578.48x = 140,567,304,591.53
  5. Step 5: Solve for x
    x = 140,567,304,591.53/549,578.48
  6. Step 6: Final answer
    x = 255,772.94

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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.