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Finding the Fourth Proportional to 600,133.20, 899,278.20 and 520,875.60

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Solution

The fourth proportional to 600,133.20, 899,278.20 and 520,875.60 is: 780,513.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,133.20 : 899,278.20 = 520,875.60 : x
  2. Step 2: Convert to fraction form
    600,133.20/899,278.20 = 520,875.60/x
  3. Step 3: Cross multiply
    600,133.20x = 899,278.20 × 520,875.60
  4. Step 4: Simplify right side
    600,133.20x = 468,412,071,991.92
  5. Step 5: Solve for x
    x = 468,412,071,991.92/600,133.20
  6. Step 6: Final answer
    x = 780,513.51

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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.