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Finding the Fourth Proportional to 592,172.79, 817,206.70 and 334,061.69

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Solution

The fourth proportional to 592,172.79, 817,206.70 and 334,061.69 is: 461,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,172.79 : 817,206.70 = 334,061.69 : x
  2. Step 2: Convert to fraction form
    592,172.79/817,206.70 = 334,061.69/x
  3. Step 3: Cross multiply
    592,172.79x = 817,206.70 × 334,061.69
  4. Step 4: Simplify right side
    592,172.79x = 272,997,447,195.29
  5. Step 5: Solve for x
    x = 272,997,447,195.29/592,172.79
  6. Step 6: Final answer
    x = 461,009.78

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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.