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Finding the Fourth Proportional to 607,830.60, 910,543.05 and 533,035.20

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Solution

The fourth proportional to 607,830.60, 910,543.05 and 533,035.20 is: 798,497.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,830.60 : 910,543.05 = 533,035.20 : x
  2. Step 2: Convert to fraction form
    607,830.60/910,543.05 = 533,035.20/x
  3. Step 3: Cross multiply
    607,830.60x = 910,543.05 × 533,035.20
  4. Step 4: Simplify right side
    607,830.60x = 485,351,496,765.36
  5. Step 5: Solve for x
    x = 485,351,496,765.36/607,830.60
  6. Step 6: Final answer
    x = 798,497.96

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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.