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Finding the Fourth Proportional to 623,089.92, 859,863.60 and 336,609.96

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Solution

The fourth proportional to 623,089.92, 859,863.60 and 336,609.96 is: 464,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,089.92 : 859,863.60 = 336,609.96 : x
  2. Step 2: Convert to fraction form
    623,089.92/859,863.60 = 336,609.96/x
  3. Step 3: Cross multiply
    623,089.92x = 859,863.60 × 336,609.96
  4. Step 4: Simplify right side
    623,089.92x = 289,438,652,001.46
  5. Step 5: Solve for x
    x = 289,438,652,001.46/623,089.92
  6. Step 6: Final answer
    x = 464,521.48

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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.