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Finding the Fourth Proportional to 295,485.66, 407,627.91 and 193,466.16

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Solution

The fourth proportional to 295,485.66, 407,627.91 and 193,466.16 is: 266,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,485.66 : 407,627.91 = 193,466.16 : x
  2. Step 2: Convert to fraction form
    295,485.66/407,627.91 = 193,466.16/x
  3. Step 3: Cross multiply
    295,485.66x = 407,627.91 × 193,466.16
  4. Step 4: Simplify right side
    295,485.66x = 78,862,206,456.53
  5. Step 5: Solve for x
    x = 78,862,206,456.53/295,485.66
  6. Step 6: Final answer
    x = 266,890.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.