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Finding the Fourth Proportional to 518,059.90, 776,859.45 and 237,663.10

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Solution

The fourth proportional to 518,059.90, 776,859.45 and 237,663.10 is: 356,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,059.90 : 776,859.45 = 237,663.10 : x
  2. Step 2: Convert to fraction form
    518,059.90/776,859.45 = 237,663.10/x
  3. Step 3: Cross multiply
    518,059.90x = 776,859.45 × 237,663.10
  4. Step 4: Simplify right side
    518,059.90x = 184,630,825,151.30
  5. Step 5: Solve for x
    x = 184,630,825,151.30/518,059.90
  6. Step 6: Final answer
    x = 356,388.95

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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.