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Finding the Fourth Proportional to 549,734.20, 823,289.10 and 549,734.20

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Solution

The fourth proportional to 549,734.20, 823,289.10 and 549,734.20 is: 823,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,734.20 : 823,289.10 = 549,734.20 : x
  2. Step 2: Convert to fraction form
    549,734.20/823,289.10 = 549,734.20/x
  3. Step 3: Cross multiply
    549,734.20x = 823,289.10 × 549,734.20
  4. Step 4: Simplify right side
    549,734.20x = 452,590,174,757.22
  5. Step 5: Solve for x
    x = 452,590,174,757.22/549,734.20
  6. Step 6: Final answer
    x = 823,289.10

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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.