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Finding the Fourth Proportional to 555,762.90, 766,952.88 and 301,114.08

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Solution

The fourth proportional to 555,762.90, 766,952.88 and 301,114.08 is: 415,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,762.90 : 766,952.88 = 301,114.08 : x
  2. Step 2: Convert to fraction form
    555,762.90/766,952.88 = 301,114.08/x
  3. Step 3: Cross multiply
    555,762.90x = 766,952.88 × 301,114.08
  4. Step 4: Simplify right side
    555,762.90x = 230,940,310,864.55
  5. Step 5: Solve for x
    x = 230,940,310,864.55/555,762.90
  6. Step 6: Final answer
    x = 415,537.47

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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.