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Finding the Fourth Proportional to 555,814.92, 767,038.80 and 341,073.66

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Solution

The fourth proportional to 555,814.92, 767,038.80 and 341,073.66 is: 470,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,814.92 : 767,038.80 = 341,073.66 : x
  2. Step 2: Convert to fraction form
    555,814.92/767,038.80 = 341,073.66/x
  3. Step 3: Cross multiply
    555,814.92x = 767,038.80 × 341,073.66
  4. Step 4: Simplify right side
    555,814.92x = 261,616,730,878.01
  5. Step 5: Solve for x
    x = 261,616,730,878.01/555,814.92
  6. Step 6: Final answer
    x = 470,690.37

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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.