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Finding the Fourth Proportional to 540,394.24, 810,679.44 and 166,417.24

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Solution

The fourth proportional to 540,394.24, 810,679.44 and 166,417.24 is: 249,652.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,394.24 : 810,679.44 = 166,417.24 : x
  2. Step 2: Convert to fraction form
    540,394.24/810,679.44 = 166,417.24/x
  3. Step 3: Cross multiply
    540,394.24x = 810,679.44 × 166,417.24
  4. Step 4: Simplify right side
    540,394.24x = 134,911,034,929.55
  5. Step 5: Solve for x
    x = 134,911,034,929.55/540,394.24
  6. Step 6: Final answer
    x = 249,652.98

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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.