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Finding the Fourth Proportional to 633,330.48, 873,963.60 and 346,795.20

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Solution

The fourth proportional to 633,330.48, 873,963.60 and 346,795.20 is: 478,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,330.48 : 873,963.60 = 346,795.20 : x
  2. Step 2: Convert to fraction form
    633,330.48/873,963.60 = 346,795.20/x
  3. Step 3: Cross multiply
    633,330.48x = 873,963.60 × 346,795.20
  4. Step 4: Simplify right side
    633,330.48x = 303,086,381,454.72
  5. Step 5: Solve for x
    x = 303,086,381,454.72/633,330.48
  6. Step 6: Final answer
    x = 478,559.60

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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.