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Finding the Fourth Proportional to 528,514.40, 792,188.40 and 292,026.80

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Solution

The fourth proportional to 528,514.40, 792,188.40 and 292,026.80 is: 437,717.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,514.40 : 792,188.40 = 292,026.80 : x
  2. Step 2: Convert to fraction form
    528,514.40/792,188.40 = 292,026.80/x
  3. Step 3: Cross multiply
    528,514.40x = 792,188.40 × 292,026.80
  4. Step 4: Simplify right side
    528,514.40x = 231,340,243,449.12
  5. Step 5: Solve for x
    x = 231,340,243,449.12/528,514.40
  6. Step 6: Final answer
    x = 437,717.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.