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Finding the Fourth Proportional to 623,987.76, 935,980.92 and 203,262.96

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Solution

The fourth proportional to 623,987.76, 935,980.92 and 203,262.96 is: 304,894.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,987.76 : 935,980.92 = 203,262.96 : x
  2. Step 2: Convert to fraction form
    623,987.76/935,980.92 = 203,262.96/x
  3. Step 3: Cross multiply
    623,987.76x = 935,980.92 × 203,262.96
  4. Step 4: Simplify right side
    623,987.76x = 190,250,252,302.72
  5. Step 5: Solve for x
    x = 190,250,252,302.72/623,987.76
  6. Step 6: Final answer
    x = 304,894.21

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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.