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Finding the Fourth Proportional to 549,730.80, 824,596.20 and 470,998.80

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Solution

The fourth proportional to 549,730.80, 824,596.20 and 470,998.80 is: 706,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,730.80 : 824,596.20 = 470,998.80 : x
  2. Step 2: Convert to fraction form
    549,730.80/824,596.20 = 470,998.80/x
  3. Step 3: Cross multiply
    549,730.80x = 824,596.20 × 470,998.80
  4. Step 4: Simplify right side
    549,730.80x = 388,383,820,684.56
  5. Step 5: Solve for x
    x = 388,383,820,684.56/549,730.80
  6. Step 6: Final answer
    x = 706,498.20

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Similar ratio
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1.5x scale

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.