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Finding the Fourth Proportional to 553,870.05, 830,953.84 and 174,805.44

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Solution

The fourth proportional to 553,870.05, 830,953.84 and 174,805.44 is: 262,255.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,870.05 : 830,953.84 = 174,805.44 : x
  2. Step 2: Convert to fraction form
    553,870.05/830,953.84 = 174,805.44/x
  3. Step 3: Cross multiply
    553,870.05x = 830,953.84 × 174,805.44
  4. Step 4: Simplify right side
    553,870.05x = 145,255,247,466.12
  5. Step 5: Solve for x
    x = 145,255,247,466.12/553,870.05
  6. Step 6: Final answer
    x = 262,255.11

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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.