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Finding the Fourth Proportional to 549,829.80, 824,744.70 and 496,685.70

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Solution

The fourth proportional to 549,829.80, 824,744.70 and 496,685.70 is: 745,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,829.80 : 824,744.70 = 496,685.70 : x
  2. Step 2: Convert to fraction form
    549,829.80/824,744.70 = 496,685.70/x
  3. Step 3: Cross multiply
    549,829.80x = 824,744.70 × 496,685.70
  4. Step 4: Simplify right side
    549,829.80x = 409,638,898,640.79
  5. Step 5: Solve for x
    x = 409,638,898,640.79/549,829.80
  6. Step 6: Final answer
    x = 745,028.55

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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.