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Finding the Fourth Proportional to 448,058.24, 618,320 and 246,854.24

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Solution

The fourth proportional to 448,058.24, 618,320 and 246,854.24 is: 340,658.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,058.24 : 618,320 = 246,854.24 : x
  2. Step 2: Convert to fraction form
    448,058.24/618,320 = 246,854.24/x
  3. Step 3: Cross multiply
    448,058.24x = 618,320 × 246,854.24
  4. Step 4: Simplify right side
    448,058.24x = 152,634,913,676.80
  5. Step 5: Solve for x
    x = 152,634,913,676.80/448,058.24
  6. Step 6: Final answer
    x = 340,658.65

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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.