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Finding the Fourth Proportional to 501,595.36, 692,192.46 and 283,801.72

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Solution

The fourth proportional to 501,595.36, 692,192.46 and 283,801.72 is: 391,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,595.36 : 692,192.46 = 283,801.72 : x
  2. Step 2: Convert to fraction form
    501,595.36/692,192.46 = 283,801.72/x
  3. Step 3: Cross multiply
    501,595.36x = 692,192.46 × 283,801.72
  4. Step 4: Simplify right side
    501,595.36x = 196,445,410,719.03
  5. Step 5: Solve for x
    x = 196,445,410,719.03/501,595.36
  6. Step 6: Final answer
    x = 391,641.20

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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.