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Finding the Fourth Proportional to 501,652.48, 692,244.48 and 286,801.60

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Solution

The fourth proportional to 501,652.48, 692,244.48 and 286,801.60 is: 395,765.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,652.48 : 692,244.48 = 286,801.60 : x
  2. Step 2: Convert to fraction form
    501,652.48/692,244.48 = 286,801.60/x
  3. Step 3: Cross multiply
    501,652.48x = 692,244.48 × 286,801.60
  4. Step 4: Simplify right side
    501,652.48x = 198,536,824,455.17
  5. Step 5: Solve for x
    x = 198,536,824,455.17/501,652.48
  6. Step 6: Final answer
    x = 395,765.66

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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.