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Finding the Fourth Proportional to 423,774, 584,808.12 and 232,790.58

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Solution

The fourth proportional to 423,774, 584,808.12 and 232,790.58 is: 321,251.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,774 : 584,808.12 = 232,790.58 : x
  2. Step 2: Convert to fraction form
    423,774/584,808.12 = 232,790.58/x
  3. Step 3: Cross multiply
    423,774x = 584,808.12 × 232,790.58
  4. Step 4: Simplify right side
    423,774x = 136,137,821,443.51
  5. Step 5: Solve for x
    x = 136,137,821,443.51/423,774
  6. Step 6: Final answer
    x = 321,251.00

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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.