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Finding the Fourth Proportional to 607,551.60, 911,327.40 and 371,355.60

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Solution

The fourth proportional to 607,551.60, 911,327.40 and 371,355.60 is: 557,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,551.60 : 911,327.40 = 371,355.60 : x
  2. Step 2: Convert to fraction form
    607,551.60/911,327.40 = 371,355.60/x
  3. Step 3: Cross multiply
    607,551.60x = 911,327.40 × 371,355.60
  4. Step 4: Simplify right side
    607,551.60x = 338,426,533,423.44
  5. Step 5: Solve for x
    x = 338,426,533,423.44/607,551.60
  6. Step 6: Final answer
    x = 557,033.40

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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.