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Finding the Fourth Proportional to 592,491.34, 817,637.16 and 320,558.32

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Solution

The fourth proportional to 592,491.34, 817,637.16 and 320,558.32 is: 442,370.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,491.34 : 817,637.16 = 320,558.32 : x
  2. Step 2: Convert to fraction form
    592,491.34/817,637.16 = 320,558.32/x
  3. Step 3: Cross multiply
    592,491.34x = 817,637.16 × 320,558.32
  4. Step 4: Simplify right side
    592,491.34x = 262,100,394,379.17
  5. Step 5: Solve for x
    x = 262,100,394,379.17/592,491.34
  6. Step 6: Final answer
    x = 442,370.00

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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.