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Finding the Fourth Proportional to 549,476.30, 823,230.30 and 470,744.30

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Solution

The fourth proportional to 549,476.30, 823,230.30 and 470,744.30 is: 705,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,476.30 : 823,230.30 = 470,744.30 : x
  2. Step 2: Convert to fraction form
    549,476.30/823,230.30 = 470,744.30/x
  3. Step 3: Cross multiply
    549,476.30x = 823,230.30 × 470,744.30
  4. Step 4: Simplify right side
    549,476.30x = 387,530,971,312.29
  5. Step 5: Solve for x
    x = 387,530,971,312.29/549,476.30
  6. Step 6: Final answer
    x = 705,273.31

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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.