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Finding the Fourth Proportional to 519,053.60, 716,424.44 and 292,830.32

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Solution

The fourth proportional to 519,053.60, 716,424.44 and 292,830.32 is: 404,179.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,053.60 : 716,424.44 = 292,830.32 : x
  2. Step 2: Convert to fraction form
    519,053.60/716,424.44 = 292,830.32/x
  3. Step 3: Cross multiply
    519,053.60x = 716,424.44 × 292,830.32
  4. Step 4: Simplify right side
    519,053.60x = 209,790,798,021.02
  5. Step 5: Solve for x
    x = 209,790,798,021.02/519,053.60
  6. Step 6: Final answer
    x = 404,179.45

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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.