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Finding the Fourth Proportional to 264,295.60, 364,728.18 and 143,436.91

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Solution

The fourth proportional to 264,295.60, 364,728.18 and 143,436.91 is: 197,943.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,295.60 : 364,728.18 = 143,436.91 : x
  2. Step 2: Convert to fraction form
    264,295.60/364,728.18 = 143,436.91/x
  3. Step 3: Cross multiply
    264,295.60x = 364,728.18 × 143,436.91
  4. Step 4: Simplify right side
    264,295.60x = 52,315,483,129.12
  5. Step 5: Solve for x
    x = 52,315,483,129.12/264,295.60
  6. Step 6: Final answer
    x = 197,943.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.