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Finding the Fourth Proportional to 607,264.32, 910,897.62 and 157,984.45

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Solution

The fourth proportional to 607,264.32, 910,897.62 and 157,984.45 is: 236,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,264.32 : 910,897.62 = 157,984.45 : x
  2. Step 2: Convert to fraction form
    607,264.32/910,897.62 = 157,984.45/x
  3. Step 3: Cross multiply
    607,264.32x = 910,897.62 × 157,984.45
  4. Step 4: Simplify right side
    607,264.32x = 143,907,660,527.22
  5. Step 5: Solve for x
    x = 143,907,660,527.22/607,264.32
  6. Step 6: Final answer
    x = 236,976.98

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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.