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Finding the Fourth Proportional to 592,333.76, 817,417.37 and 320,400.77

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Solution

The fourth proportional to 592,333.76, 817,417.37 and 320,400.77 is: 442,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,333.76 : 817,417.37 = 320,400.77 : x
  2. Step 2: Convert to fraction form
    592,333.76/817,417.37 = 320,400.77/x
  3. Step 3: Cross multiply
    592,333.76x = 817,417.37 × 320,400.77
  4. Step 4: Simplify right side
    592,333.76x = 261,901,151,473.29
  5. Step 5: Solve for x
    x = 261,901,151,473.29/592,333.76
  6. Step 6: Final answer
    x = 442,151.31

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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.