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Finding the Fourth Proportional to 377,070.82, 565,486.02 and 124,304.20

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Solution

The fourth proportional to 377,070.82, 565,486.02 and 124,304.20 is: 186,416.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,070.82 : 565,486.02 = 124,304.20 : x
  2. Step 2: Convert to fraction form
    377,070.82/565,486.02 = 124,304.20/x
  3. Step 3: Cross multiply
    377,070.82x = 565,486.02 × 124,304.20
  4. Step 4: Simplify right side
    377,070.82x = 70,292,287,327.28
  5. Step 5: Solve for x
    x = 70,292,287,327.28/377,070.82
  6. Step 6: Final answer
    x = 186,416.67

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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.