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Finding the Fourth Proportional to 607,530.40, 911,295.60 and 186,751.60

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Solution

The fourth proportional to 607,530.40, 911,295.60 and 186,751.60 is: 280,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,530.40 : 911,295.60 = 186,751.60 : x
  2. Step 2: Convert to fraction form
    607,530.40/911,295.60 = 186,751.60/x
  3. Step 3: Cross multiply
    607,530.40x = 911,295.60 × 186,751.60
  4. Step 4: Simplify right side
    607,530.40x = 170,185,911,372.96
  5. Step 5: Solve for x
    x = 170,185,911,372.96/607,530.40
  6. Step 6: Final answer
    x = 280,127.40

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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.