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Finding the Fourth Proportional to 377,430.60, 566,218.80 and 190,442.10

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Solution

The fourth proportional to 377,430.60, 566,218.80 and 190,442.10 is: 285,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,430.60 : 566,218.80 = 190,442.10 : x
  2. Step 2: Convert to fraction form
    377,430.60/566,218.80 = 190,442.10/x
  3. Step 3: Cross multiply
    377,430.60x = 566,218.80 × 190,442.10
  4. Step 4: Simplify right side
    377,430.60x = 107,831,897,331.48
  5. Step 5: Solve for x
    x = 107,831,897,331.48/377,430.60
  6. Step 6: Final answer
    x = 285,699.93

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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.