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Finding the Fourth Proportional to 577,979.90, 797,636.67 and 357,266.24

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Solution

The fourth proportional to 577,979.90, 797,636.67 and 357,266.24 is: 493,042.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,979.90 : 797,636.67 = 357,266.24 : x
  2. Step 2: Convert to fraction form
    577,979.90/797,636.67 = 357,266.24/x
  3. Step 3: Cross multiply
    577,979.90x = 797,636.67 × 357,266.24
  4. Step 4: Simplify right side
    577,979.90x = 284,968,653,977.02
  5. Step 5: Solve for x
    x = 284,968,653,977.02/577,979.90
  6. Step 6: Final answer
    x = 493,042.50

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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.