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Finding the Fourth Proportional to 446,567.52, 616,088.64 and 255,478.56

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Solution

The fourth proportional to 446,567.52, 616,088.64 and 255,478.56 is: 352,460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,567.52 : 616,088.64 = 255,478.56 : x
  2. Step 2: Convert to fraction form
    446,567.52/616,088.64 = 255,478.56/x
  3. Step 3: Cross multiply
    446,567.52x = 616,088.64 × 255,478.56
  4. Step 4: Simplify right side
    446,567.52x = 157,397,438,579.56
  5. Step 5: Solve for x
    x = 157,397,438,579.56/446,567.52
  6. Step 6: Final answer
    x = 352,460.56

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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.