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Finding the Fourth Proportional to 577,624.40, 866,420.40 and 262,080.80

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Solution

The fourth proportional to 577,624.40, 866,420.40 and 262,080.80 is: 393,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,624.40 : 866,420.40 = 262,080.80 : x
  2. Step 2: Convert to fraction form
    577,624.40/866,420.40 = 262,080.80/x
  3. Step 3: Cross multiply
    577,624.40x = 866,420.40 × 262,080.80
  4. Step 4: Simplify right side
    577,624.40x = 227,072,151,568.32
  5. Step 5: Solve for x
    x = 227,072,151,568.32/577,624.40
  6. Step 6: Final answer
    x = 393,113.85

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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.