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Finding the Fourth Proportional to 554,400.62, 831,703.51 and 175,416.76

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Solution

The fourth proportional to 554,400.62, 831,703.51 and 175,416.76 is: 263,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,400.62 : 831,703.51 = 175,416.76 : x
  2. Step 2: Convert to fraction form
    554,400.62/831,703.51 = 175,416.76/x
  3. Step 3: Cross multiply
    554,400.62x = 831,703.51 × 175,416.76
  4. Step 4: Simplify right side
    554,400.62x = 145,894,735,004.83
  5. Step 5: Solve for x
    x = 145,894,735,004.83/554,400.62
  6. Step 6: Final answer
    x = 263,157.60

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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.