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Finding the Fourth Proportional to 476,656.02, 714,983.40 and 121,670.10

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Solution

The fourth proportional to 476,656.02, 714,983.40 and 121,670.10 is: 182,504.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,656.02 : 714,983.40 = 121,670.10 : x
  2. Step 2: Convert to fraction form
    476,656.02/714,983.40 = 121,670.10/x
  3. Step 3: Cross multiply
    476,656.02x = 714,983.40 × 121,670.10
  4. Step 4: Simplify right side
    476,656.02x = 86,992,101,776.34
  5. Step 5: Solve for x
    x = 86,992,101,776.34/476,656.02
  6. Step 6: Final answer
    x = 182,504.99

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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.