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Finding the Fourth Proportional to 632,937.78, 873,454.41 and 346,459.50

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Solution

The fourth proportional to 632,937.78, 873,454.41 and 346,459.50 is: 478,114.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,937.78 : 873,454.41 = 346,459.50 : x
  2. Step 2: Convert to fraction form
    632,937.78/873,454.41 = 346,459.50/x
  3. Step 3: Cross multiply
    632,937.78x = 873,454.41 × 346,459.50
  4. Step 4: Simplify right side
    632,937.78x = 302,616,578,161.40
  5. Step 5: Solve for x
    x = 302,616,578,161.40/632,937.78
  6. Step 6: Final answer
    x = 478,114.26

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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.