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Finding the Fourth Proportional to 633,022.16, 873,569.13 and 346,539.74

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Solution

The fourth proportional to 633,022.16, 873,569.13 and 346,539.74 is: 478,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,022.16 : 873,569.13 = 346,539.74 : x
  2. Step 2: Convert to fraction form
    633,022.16/873,569.13 = 346,539.74/x
  3. Step 3: Cross multiply
    633,022.16x = 873,569.13 × 346,539.74
  4. Step 4: Simplify right side
    633,022.16x = 302,726,419,182.23
  5. Step 5: Solve for x
    x = 302,726,419,182.23/633,022.16
  6. Step 6: Final answer
    x = 478,224.05

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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.