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Finding the Fourth Proportional to 554,027.08, 831,071.40 and 174,956.80

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Solution

The fourth proportional to 554,027.08, 831,071.40 and 174,956.80 is: 262,444.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,027.08 : 831,071.40 = 174,956.80 : x
  2. Step 2: Convert to fraction form
    554,027.08/831,071.40 = 174,956.80/x
  3. Step 3: Cross multiply
    554,027.08x = 831,071.40 × 174,956.80
  4. Step 4: Simplify right side
    554,027.08x = 145,401,592,715.52
  5. Step 5: Solve for x
    x = 145,401,592,715.52/554,027.08
  6. Step 6: Final answer
    x = 262,444.92

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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.