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Finding the Fourth Proportional to 592,172.91, 817,206.87 and 334,061.81

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Solution

The fourth proportional to 592,172.91, 817,206.87 and 334,061.81 is: 461,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,172.91 : 817,206.87 = 334,061.81 : x
  2. Step 2: Convert to fraction form
    592,172.91/817,206.87 = 334,061.81/x
  3. Step 3: Cross multiply
    592,172.91x = 817,206.87 × 334,061.81
  4. Step 4: Simplify right side
    592,172.91x = 272,997,606,367.86
  5. Step 5: Solve for x
    x = 272,997,606,367.86/592,172.91
  6. Step 6: Final answer
    x = 461,009.95

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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.