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Finding the Fourth Proportional to 326,602.32, 450,681.84 and 190,648.08

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Solution

The fourth proportional to 326,602.32, 450,681.84 and 190,648.08 is: 263,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,602.32 : 450,681.84 = 190,648.08 : x
  2. Step 2: Convert to fraction form
    326,602.32/450,681.84 = 190,648.08/x
  3. Step 3: Cross multiply
    326,602.32x = 450,681.84 × 190,648.08
  4. Step 4: Simplify right side
    326,602.32x = 85,921,627,486.87
  5. Step 5: Solve for x
    x = 85,921,627,486.87/326,602.32
  6. Step 6: Final answer
    x = 263,077.21

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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.