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Finding the Fourth Proportional to 571,809.08, 788,579.98 and 356,968.92

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Solution

The fourth proportional to 571,809.08, 788,579.98 and 356,968.92 is: 492,294.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,809.08 : 788,579.98 = 356,968.92 : x
  2. Step 2: Convert to fraction form
    571,809.08/788,579.98 = 356,968.92/x
  3. Step 3: Cross multiply
    571,809.08x = 788,579.98 × 356,968.92
  4. Step 4: Simplify right side
    571,809.08x = 281,498,543,794.22
  5. Step 5: Solve for x
    x = 281,498,543,794.22/571,809.08
  6. Step 6: Final answer
    x = 492,294.64

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Double scale
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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.