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Finding the Fourth Proportional to 554,606.86, 831,957.91 and 194,746.77

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Solution

The fourth proportional to 554,606.86, 831,957.91 and 194,746.77 is: 292,136.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,606.86 : 831,957.91 = 194,746.77 : x
  2. Step 2: Convert to fraction form
    554,606.86/831,957.91 = 194,746.77/x
  3. Step 3: Cross multiply
    554,606.86x = 831,957.91 × 194,746.77
  4. Step 4: Simplify right side
    554,606.86x = 162,021,115,261.58
  5. Step 5: Solve for x
    x = 162,021,115,261.58/554,606.86
  6. Step 6: Final answer
    x = 292,136.88

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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.