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Finding the Fourth Proportional to 464,218.40, 695,809.20 and 264,634.40

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Solution

The fourth proportional to 464,218.40, 695,809.20 and 264,634.40 is: 396,656.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,218.40 : 695,809.20 = 264,634.40 : x
  2. Step 2: Convert to fraction form
    464,218.40/695,809.20 = 264,634.40/x
  3. Step 3: Cross multiply
    464,218.40x = 695,809.20 × 264,634.40
  4. Step 4: Simplify right side
    464,218.40x = 184,135,050,156.48
  5. Step 5: Solve for x
    x = 184,135,050,156.48/464,218.40
  6. Step 6: Final answer
    x = 396,656.08

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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.