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Finding the Fourth Proportional to 584,055.60, 874,333.80 and 347,276.40

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Solution

The fourth proportional to 584,055.60, 874,333.80 and 347,276.40 is: 519,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,055.60 : 874,333.80 = 347,276.40 : x
  2. Step 2: Convert to fraction form
    584,055.60/874,333.80 = 347,276.40/x
  3. Step 3: Cross multiply
    584,055.60x = 874,333.80 × 347,276.40
  4. Step 4: Simplify right side
    584,055.60x = 303,635,494,462.32
  5. Step 5: Solve for x
    x = 303,635,494,462.32/584,055.60
  6. Step 6: Final answer
    x = 519,874.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.