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Finding the Fourth Proportional to 555,094.42, 766,044.24 and 340,352.86

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Solution

The fourth proportional to 555,094.42, 766,044.24 and 340,352.86 is: 469,695.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,094.42 : 766,044.24 = 340,352.86 : x
  2. Step 2: Convert to fraction form
    555,094.42/766,044.24 = 340,352.86/x
  3. Step 3: Cross multiply
    555,094.42x = 766,044.24 × 340,352.86
  4. Step 4: Simplify right side
    555,094.42x = 260,725,347,970.53
  5. Step 5: Solve for x
    x = 260,725,347,970.53/555,094.42
  6. Step 6: Final answer
    x = 469,695.49

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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.