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Finding the Fourth Proportional to 343,598.40, 514,726.32 and 236,730.24

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Solution

The fourth proportional to 343,598.40, 514,726.32 and 236,730.24 is: 354,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,598.40 : 514,726.32 = 236,730.24 : x
  2. Step 2: Convert to fraction form
    343,598.40/514,726.32 = 236,730.24/x
  3. Step 3: Cross multiply
    343,598.40x = 514,726.32 × 236,730.24
  4. Step 4: Simplify right side
    343,598.40x = 121,851,285,267.92
  5. Step 5: Solve for x
    x = 121,851,285,267.92/343,598.40
  6. Step 6: Final answer
    x = 354,632.87

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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.