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Finding the Fourth Proportional to 314,999.04, 434,590.08 and 219,470.88

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Solution

The fourth proportional to 314,999.04, 434,590.08 and 219,470.88 is: 302,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,999.04 : 434,590.08 = 219,470.88 : x
  2. Step 2: Convert to fraction form
    314,999.04/434,590.08 = 219,470.88/x
  3. Step 3: Cross multiply
    314,999.04x = 434,590.08 × 219,470.88
  4. Step 4: Simplify right side
    314,999.04x = 95,379,867,296.87
  5. Step 5: Solve for x
    x = 95,379,867,296.87/314,999.04
  6. Step 6: Final answer
    x = 302,794.15

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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.