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Finding the Fourth Proportional to 334,020.40, 501,030.60 and 97,370.80

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Solution

The fourth proportional to 334,020.40, 501,030.60 and 97,370.80 is: 146,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,020.40 : 501,030.60 = 97,370.80 : x
  2. Step 2: Convert to fraction form
    334,020.40/501,030.60 = 97,370.80/x
  3. Step 3: Cross multiply
    334,020.40x = 501,030.60 × 97,370.80
  4. Step 4: Simplify right side
    334,020.40x = 48,785,750,346.48
  5. Step 5: Solve for x
    x = 48,785,750,346.48/334,020.40
  6. Step 6: Final answer
    x = 146,056.20

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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.