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Finding the Fourth Proportional to 292,693.64, 438,725.51 and 191,453.55

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Solution

The fourth proportional to 292,693.64, 438,725.51 and 191,453.55 is: 286,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,693.64 : 438,725.51 = 191,453.55 : x
  2. Step 2: Convert to fraction form
    292,693.64/438,725.51 = 191,453.55/x
  3. Step 3: Cross multiply
    292,693.64x = 438,725.51 × 191,453.55
  4. Step 4: Simplify right side
    292,693.64x = 83,995,555,407.79
  5. Step 5: Solve for x
    x = 83,995,555,407.79/292,693.64
  6. Step 6: Final answer
    x = 286,974.31

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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.