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Finding the Fourth Proportional to 574,430.10, 861,683.55 and 195,345.30

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Solution

The fourth proportional to 574,430.10, 861,683.55 and 195,345.30 is: 293,031.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,430.10 : 861,683.55 = 195,345.30 : x
  2. Step 2: Convert to fraction form
    574,430.10/861,683.55 = 195,345.30/x
  3. Step 3: Cross multiply
    574,430.10x = 861,683.55 × 195,345.30
  4. Step 4: Simplify right side
    574,430.10x = 168,325,831,579.82
  5. Step 5: Solve for x
    x = 168,325,831,579.82/574,430.10
  6. Step 6: Final answer
    x = 293,031.01

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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.