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Finding the Fourth Proportional to 519,483.04, 716,879.60 and 290,043.84

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Solution

The fourth proportional to 519,483.04, 716,879.60 and 290,043.84 is: 400,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,483.04 : 716,879.60 = 290,043.84 : x
  2. Step 2: Convert to fraction form
    519,483.04/716,879.60 = 290,043.84/x
  3. Step 3: Cross multiply
    519,483.04x = 716,879.60 × 290,043.84
  4. Step 4: Simplify right side
    519,483.04x = 207,926,512,001.66
  5. Step 5: Solve for x
    x = 207,926,512,001.66/519,483.04
  6. Step 6: Final answer
    x = 400,256.59

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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.