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Finding the Fourth Proportional to 446,417.34, 616,049.19 and 255,477.66

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Solution

The fourth proportional to 446,417.34, 616,049.19 and 255,477.66 is: 352,555.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,417.34 : 616,049.19 = 255,477.66 : x
  2. Step 2: Convert to fraction form
    446,417.34/616,049.19 = 255,477.66/x
  3. Step 3: Cross multiply
    446,417.34x = 616,049.19 × 255,477.66
  4. Step 4: Simplify right side
    446,417.34x = 157,386,805,506.10
  5. Step 5: Solve for x
    x = 157,386,805,506.10/446,417.34
  6. Step 6: Final answer
    x = 352,555.31

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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.