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Finding the Fourth Proportional to 604,892.90, 834,831.69 and 346,870.82

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Solution

The fourth proportional to 604,892.90, 834,831.69 and 346,870.82 is: 478,727.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,892.90 : 834,831.69 = 346,870.82 : x
  2. Step 2: Convert to fraction form
    604,892.90/834,831.69 = 346,870.82/x
  3. Step 3: Cross multiply
    604,892.90x = 834,831.69 × 346,870.82
  4. Step 4: Simplify right side
    604,892.90x = 289,578,752,872.29
  5. Step 5: Solve for x
    x = 289,578,752,872.29/604,892.90
  6. Step 6: Final answer
    x = 478,727.31

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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.