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Finding the Fourth Proportional to 579,095.33, 868,779.66 and 200,019.20

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Solution

The fourth proportional to 579,095.33, 868,779.66 and 200,019.20 is: 300,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,095.33 : 868,779.66 = 200,019.20 : x
  2. Step 2: Convert to fraction form
    579,095.33/868,779.66 = 200,019.20/x
  3. Step 3: Cross multiply
    579,095.33x = 868,779.66 × 200,019.20
  4. Step 4: Simplify right side
    579,095.33x = 173,772,615,369.82
  5. Step 5: Solve for x
    x = 173,772,615,369.82/579,095.33
  6. Step 6: Final answer
    x = 300,076.01

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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.