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Finding the Fourth Proportional to 334,427.60, 501,641.40 and 157,280.60

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Solution

The fourth proportional to 334,427.60, 501,641.40 and 157,280.60 is: 235,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,427.60 : 501,641.40 = 157,280.60 : x
  2. Step 2: Convert to fraction form
    334,427.60/501,641.40 = 157,280.60/x
  3. Step 3: Cross multiply
    334,427.60x = 501,641.40 × 157,280.60
  4. Step 4: Simplify right side
    334,427.60x = 78,898,460,376.84
  5. Step 5: Solve for x
    x = 78,898,460,376.84/334,427.60
  6. Step 6: Final answer
    x = 235,920.90

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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.