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Finding the Fourth Proportional to 554,094.66, 831,189.15 and 174,913.95

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Solution

The fourth proportional to 554,094.66, 831,189.15 and 174,913.95 is: 262,385.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,094.66 : 831,189.15 = 174,913.95 : x
  2. Step 2: Convert to fraction form
    554,094.66/831,189.15 = 174,913.95/x
  3. Step 3: Cross multiply
    554,094.66x = 831,189.15 × 174,913.95
  4. Step 4: Simplify right side
    554,094.66x = 145,386,577,423.64
  5. Step 5: Solve for x
    x = 145,386,577,423.64/554,094.66
  6. Step 6: Final answer
    x = 262,385.81

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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.