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Finding the Fourth Proportional to 501,556.73, 692,148.24 and 286,701.39

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Solution

The fourth proportional to 501,556.73, 692,148.24 and 286,701.39 is: 395,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,556.73 : 692,148.24 = 286,701.39 : x
  2. Step 2: Convert to fraction form
    501,556.73/692,148.24 = 286,701.39/x
  3. Step 3: Cross multiply
    501,556.73x = 692,148.24 × 286,701.39
  4. Step 4: Simplify right side
    501,556.73x = 198,439,862,494.05
  5. Step 5: Solve for x
    x = 198,439,862,494.05/501,556.73
  6. Step 6: Final answer
    x = 395,647.90

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1.5x scale

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.