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Finding the Fourth Proportional to 454,556.64, 627,307.56 and 253,352.64

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Solution

The fourth proportional to 454,556.64, 627,307.56 and 253,352.64 is: 349,637.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,556.64 : 627,307.56 = 253,352.64 : x
  2. Step 2: Convert to fraction form
    454,556.64/627,307.56 = 253,352.64/x
  3. Step 3: Cross multiply
    454,556.64x = 627,307.56 × 253,352.64
  4. Step 4: Simplify right side
    454,556.64x = 158,930,026,417.96
  5. Step 5: Solve for x
    x = 158,930,026,417.96/454,556.64
  6. Step 6: Final answer
    x = 349,637.45

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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.