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Finding the Fourth Proportional to 630,338.28, 940,591.11 and 562,403.28

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Solution

The fourth proportional to 630,338.28, 940,591.11 and 562,403.28 is: 839,218.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,338.28 : 940,591.11 = 562,403.28 : x
  2. Step 2: Convert to fraction form
    630,338.28/940,591.11 = 562,403.28/x
  3. Step 3: Cross multiply
    630,338.28x = 940,591.11 × 562,403.28
  4. Step 4: Simplify right side
    630,338.28x = 528,991,527,473.26
  5. Step 5: Solve for x
    x = 528,991,527,473.26/630,338.28
  6. Step 6: Final answer
    x = 839,218.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.