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Finding the Fourth Proportional to 519,493.50, 716,894.04 and 290,054.34

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Solution

The fourth proportional to 519,493.50, 716,894.04 and 290,054.34 is: 400,271.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,493.50 : 716,894.04 = 290,054.34 : x
  2. Step 2: Convert to fraction form
    519,493.50/716,894.04 = 290,054.34/x
  3. Step 3: Cross multiply
    519,493.50x = 716,894.04 × 290,054.34
  4. Step 4: Simplify right side
    519,493.50x = 207,938,227,622.13
  5. Step 5: Solve for x
    x = 207,938,227,622.13/519,493.50
  6. Step 6: Final answer
    x = 400,271.09

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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.