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Finding the Fourth Proportional to 572,713.48, 789,800.70 and 343,237.24

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Solution

The fourth proportional to 572,713.48, 789,800.70 and 343,237.24 is: 473,341.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,713.48 : 789,800.70 = 343,237.24 : x
  2. Step 2: Convert to fraction form
    572,713.48/789,800.70 = 343,237.24/x
  3. Step 3: Cross multiply
    572,713.48x = 789,800.70 × 343,237.24
  4. Step 4: Simplify right side
    572,713.48x = 271,089,012,418.07
  5. Step 5: Solve for x
    x = 271,089,012,418.07/572,713.48
  6. Step 6: Final answer
    x = 473,341.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.