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Finding the Fourth Proportional to 607,895.70, 910,531.35 and 395,319.30

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Solution

The fourth proportional to 607,895.70, 910,531.35 and 395,319.30 is: 592,125.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,895.70 : 910,531.35 = 395,319.30 : x
  2. Step 2: Convert to fraction form
    607,895.70/910,531.35 = 395,319.30/x
  3. Step 3: Cross multiply
    607,895.70x = 910,531.35 × 395,319.30
  4. Step 4: Simplify right side
    607,895.70x = 359,950,615,910.06
  5. Step 5: Solve for x
    x = 359,950,615,910.06/607,895.70
  6. Step 6: Final answer
    x = 592,125.62

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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.