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Finding the Fourth Proportional to 607,548.60, 911,322.90 and 186,823.80

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Solution

The fourth proportional to 607,548.60, 911,322.90 and 186,823.80 is: 280,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,548.60 : 911,322.90 = 186,823.80 : x
  2. Step 2: Convert to fraction form
    607,548.60/911,322.90 = 186,823.80/x
  3. Step 3: Cross multiply
    607,548.60x = 911,322.90 × 186,823.80
  4. Step 4: Simplify right side
    607,548.60x = 170,256,807,205.02
  5. Step 5: Solve for x
    x = 170,256,807,205.02/607,548.60
  6. Step 6: Final answer
    x = 280,235.70

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1.5x scale

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.