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Finding the Fourth Proportional to 607,564.32, 910,829.52 and 371,072.88

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Solution

The fourth proportional to 607,564.32, 910,829.52 and 371,072.88 is: 556,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,564.32 : 910,829.52 = 371,072.88 : x
  2. Step 2: Convert to fraction form
    607,564.32/910,829.52 = 371,072.88/x
  3. Step 3: Cross multiply
    607,564.32x = 910,829.52 × 371,072.88
  4. Step 4: Simplify right side
    607,564.32x = 337,984,133,175.42
  5. Step 5: Solve for x
    x = 337,984,133,175.42/607,564.32
  6. Step 6: Final answer
    x = 556,293.58

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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.