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Finding the Fourth Proportional to 524,666.20, 786,999.30 and 410,504.80

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Solution

The fourth proportional to 524,666.20, 786,999.30 and 410,504.80 is: 615,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,666.20 : 786,999.30 = 410,504.80 : x
  2. Step 2: Convert to fraction form
    524,666.20/786,999.30 = 410,504.80/x
  3. Step 3: Cross multiply
    524,666.20x = 786,999.30 × 410,504.80
  4. Step 4: Simplify right side
    524,666.20x = 323,066,990,246.64
  5. Step 5: Solve for x
    x = 323,066,990,246.64/524,666.20
  6. Step 6: Final answer
    x = 615,757.20

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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.