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Finding the Fourth Proportional to 592,647.48, 817,859.28 and 320,721.02

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Solution

The fourth proportional to 592,647.48, 817,859.28 and 320,721.02 is: 442,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,647.48 : 817,859.28 = 320,721.02 : x
  2. Step 2: Convert to fraction form
    592,647.48/817,859.28 = 320,721.02/x
  3. Step 3: Cross multiply
    592,647.48x = 817,859.28 × 320,721.02
  4. Step 4: Simplify right side
    592,647.48x = 262,304,662,498.07
  5. Step 5: Solve for x
    x = 262,304,662,498.07/592,647.48
  6. Step 6: Final answer
    x = 442,598.12

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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.