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Finding the Fourth Proportional to 575,741.70, 863,604.45 and 260,198.10

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Solution

The fourth proportional to 575,741.70, 863,604.45 and 260,198.10 is: 390,293.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,741.70 : 863,604.45 = 260,198.10 : x
  2. Step 2: Convert to fraction form
    575,741.70/863,604.45 = 260,198.10/x
  3. Step 3: Cross multiply
    575,741.70x = 863,604.45 × 260,198.10
  4. Step 4: Simplify right side
    575,741.70x = 224,708,237,041.55
  5. Step 5: Solve for x
    x = 224,708,237,041.55/575,741.70
  6. Step 6: Final answer
    x = 390,293.49

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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.