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Finding the Fourth Proportional to 583,272.60, 874,908.90 and 346,493.40

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Solution

The fourth proportional to 583,272.60, 874,908.90 and 346,493.40 is: 519,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,272.60 : 874,908.90 = 346,493.40 : x
  2. Step 2: Convert to fraction form
    583,272.60/874,908.90 = 346,493.40/x
  3. Step 3: Cross multiply
    583,272.60x = 874,908.90 × 346,493.40
  4. Step 4: Simplify right side
    583,272.60x = 303,150,159,451.26
  5. Step 5: Solve for x
    x = 303,150,159,451.26/583,272.60
  6. Step 6: Final answer
    x = 519,740.10

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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.