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Finding the Fourth Proportional to 458,010.19, 632,036.95 and 256,793.23

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Solution

The fourth proportional to 458,010.19, 632,036.95 and 256,793.23 is: 354,365.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,010.19 : 632,036.95 = 256,793.23 : x
  2. Step 2: Convert to fraction form
    458,010.19/632,036.95 = 256,793.23/x
  3. Step 3: Cross multiply
    458,010.19x = 632,036.95 × 256,793.23
  4. Step 4: Simplify right side
    458,010.19x = 162,302,809,869.85
  5. Step 5: Solve for x
    x = 162,302,809,869.85/458,010.19
  6. Step 6: Final answer
    x = 354,365.06

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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.