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Finding the Fourth Proportional to 592,606.25, 817,798.79 and 320,674.14

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Solution

The fourth proportional to 592,606.25, 817,798.79 and 320,674.14 is: 442,531.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,606.25 : 817,798.79 = 320,674.14 : x
  2. Step 2: Convert to fraction form
    592,606.25/817,798.79 = 320,674.14/x
  3. Step 3: Cross multiply
    592,606.25x = 817,798.79 × 320,674.14
  4. Step 4: Simplify right side
    592,606.25x = 262,246,922,072.92
  5. Step 5: Solve for x
    x = 262,246,922,072.92/592,606.25
  6. Step 6: Final answer
    x = 442,531.49

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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.