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Finding the Fourth Proportional to 524,401.92, 785,900.16 and 490,809.60

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Solution

The fourth proportional to 524,401.92, 785,900.16 and 490,809.60 is: 735,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,401.92 : 785,900.16 = 490,809.60 : x
  2. Step 2: Convert to fraction form
    524,401.92/785,900.16 = 490,809.60/x
  3. Step 3: Cross multiply
    524,401.92x = 785,900.16 × 490,809.60
  4. Step 4: Simplify right side
    524,401.92x = 385,727,343,169.54
  5. Step 5: Solve for x
    x = 385,727,343,169.54/524,401.92
  6. Step 6: Final answer
    x = 735,556.70

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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.