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Finding the Fourth Proportional to 295,572.12, 407,890 and 168,247.74

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Solution

The fourth proportional to 295,572.12, 407,890 and 168,247.74 is: 232,182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,572.12 : 407,890 = 168,247.74 : x
  2. Step 2: Convert to fraction form
    295,572.12/407,890 = 168,247.74/x
  3. Step 3: Cross multiply
    295,572.12x = 407,890 × 168,247.74
  4. Step 4: Simplify right side
    295,572.12x = 68,626,570,668.60
  5. Step 5: Solve for x
    x = 68,626,570,668.60/295,572.12
  6. Step 6: Final answer
    x = 232,182.15

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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.