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Finding the Fourth Proportional to 553,872.04, 830,956.84 and 174,807.44

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Solution

The fourth proportional to 553,872.04, 830,956.84 and 174,807.44 is: 262,258.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,872.04 : 830,956.84 = 174,807.44 : x
  2. Step 2: Convert to fraction form
    553,872.04/830,956.84 = 174,807.44/x
  3. Step 3: Cross multiply
    553,872.04x = 830,956.84 × 174,807.44
  4. Step 4: Simplify right side
    553,872.04x = 145,257,437,950.89
  5. Step 5: Solve for x
    x = 145,257,437,950.89/553,872.04
  6. Step 6: Final answer
    x = 262,258.12

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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.