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Finding the Fourth Proportional to 607,133.30, 910,959.15 and 291,427.70

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Solution

The fourth proportional to 607,133.30, 910,959.15 and 291,427.70 is: 437,265.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,133.30 : 910,959.15 = 291,427.70 : x
  2. Step 2: Convert to fraction form
    607,133.30/910,959.15 = 291,427.70/x
  3. Step 3: Cross multiply
    607,133.30x = 910,959.15 × 291,427.70
  4. Step 4: Simplify right side
    607,133.30x = 265,478,729,878.46
  5. Step 5: Solve for x
    x = 265,478,729,878.46/607,133.30
  6. Step 6: Final answer
    x = 437,265.97

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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.