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Finding the Fourth Proportional to 264,345.12, 364,798.89 and 143,487.45

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Solution

The fourth proportional to 264,345.12, 364,798.89 and 143,487.45 is: 198,014.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,345.12 : 364,798.89 = 143,487.45 : x
  2. Step 2: Convert to fraction form
    264,345.12/364,798.89 = 143,487.45/x
  3. Step 3: Cross multiply
    264,345.12x = 364,798.89 × 143,487.45
  4. Step 4: Simplify right side
    264,345.12x = 52,344,062,488.93
  5. Step 5: Solve for x
    x = 52,344,062,488.93/264,345.12
  6. Step 6: Final answer
    x = 198,014.11

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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.