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Finding the Fourth Proportional to 364,915.81, 503,820.77 and 326,608.93

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Solution

The fourth proportional to 364,915.81, 503,820.77 and 326,608.93 is: 450,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,915.81 : 503,820.77 = 326,608.93 : x
  2. Step 2: Convert to fraction form
    364,915.81/503,820.77 = 326,608.93/x
  3. Step 3: Cross multiply
    364,915.81x = 503,820.77 × 326,608.93
  4. Step 4: Simplify right side
    364,915.81x = 164,552,362,601.48
  5. Step 5: Solve for x
    x = 164,552,362,601.48/364,915.81
  6. Step 6: Final answer
    x = 450,932.40

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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.