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Finding the Fourth Proportional to 592,603.17, 817,794.55 and 320,671.07

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Solution

The fourth proportional to 592,603.17, 817,794.55 and 320,671.07 is: 442,527.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,603.17 : 817,794.55 = 320,671.07 : x
  2. Step 2: Convert to fraction form
    592,603.17/817,794.55 = 320,671.07/x
  3. Step 3: Cross multiply
    592,603.17x = 817,794.55 × 320,671.07
  4. Step 4: Simplify right side
    592,603.17x = 262,243,050,963.49
  5. Step 5: Solve for x
    x = 262,243,050,963.49/592,603.17
  6. Step 6: Final answer
    x = 442,527.25

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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.