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Finding the Fourth Proportional to 567,101.60, 850,652.40 and 390,154.40

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Solution

The fourth proportional to 567,101.60, 850,652.40 and 390,154.40 is: 585,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,101.60 : 850,652.40 = 390,154.40 : x
  2. Step 2: Convert to fraction form
    567,101.60/850,652.40 = 390,154.40/x
  3. Step 3: Cross multiply
    567,101.60x = 850,652.40 × 390,154.40
  4. Step 4: Simplify right side
    567,101.60x = 331,885,776,730.56
  5. Step 5: Solve for x
    x = 331,885,776,730.56/567,101.60
  6. Step 6: Final answer
    x = 585,231.60

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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.