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Finding the Fourth Proportional to 607,007.10, 910,875.15 and 251,984.10

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Solution

The fourth proportional to 607,007.10, 910,875.15 and 251,984.10 is: 378,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,007.10 : 910,875.15 = 251,984.10 : x
  2. Step 2: Convert to fraction form
    607,007.10/910,875.15 = 251,984.10/x
  3. Step 3: Cross multiply
    607,007.10x = 910,875.15 × 251,984.10
  4. Step 4: Simplify right side
    607,007.10x = 229,526,054,885.12
  5. Step 5: Solve for x
    x = 229,526,054,885.12/607,007.10
  6. Step 6: Final answer
    x = 378,127.46

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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.