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Finding the Fourth Proportional to 720,530.29, 994,190.52 and 434,066.10

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Solution

The fourth proportional to 720,530.29, 994,190.52 and 434,066.10 is: 598,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,530.29 : 994,190.52 = 434,066.10 : x
  2. Step 2: Convert to fraction form
    720,530.29/994,190.52 = 434,066.10/x
  3. Step 3: Cross multiply
    720,530.29x = 994,190.52 × 434,066.10
  4. Step 4: Simplify right side
    720,530.29x = 431,544,401,673.37
  5. Step 5: Solve for x
    x = 431,544,401,673.37/720,530.29
  6. Step 6: Final answer
    x = 598,926.11

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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.