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Finding the Fourth Proportional to 476,000.52, 714,005.40 and 121,014.54

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Solution

The fourth proportional to 476,000.52, 714,005.40 and 121,014.54 is: 181,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,000.52 : 714,005.40 = 121,014.54 : x
  2. Step 2: Convert to fraction form
    476,000.52/714,005.40 = 121,014.54/x
  3. Step 3: Cross multiply
    476,000.52x = 714,005.40 × 121,014.54
  4. Step 4: Simplify right side
    476,000.52x = 86,405,035,038.52
  5. Step 5: Solve for x
    x = 86,405,035,038.52/476,000.52
  6. Step 6: Final answer
    x = 181,522.98

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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.