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Finding the Fourth Proportional to 442,085.50, 610,078.08 and 240,881.50

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Solution

The fourth proportional to 442,085.50, 610,078.08 and 240,881.50 is: 332,416.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,085.50 : 610,078.08 = 240,881.50 : x
  2. Step 2: Convert to fraction form
    442,085.50/610,078.08 = 240,881.50/x
  3. Step 3: Cross multiply
    442,085.50x = 610,078.08 × 240,881.50
  4. Step 4: Simplify right side
    442,085.50x = 146,956,523,027.52
  5. Step 5: Solve for x
    x = 146,956,523,027.52/442,085.50
  6. Step 6: Final answer
    x = 332,416.52

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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.