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Finding the Fourth Proportional to 364,346.12, 503,000.90 and 255,783.59

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Solution

The fourth proportional to 364,346.12, 503,000.90 and 255,783.59 is: 353,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,346.12 : 503,000.90 = 255,783.59 : x
  2. Step 2: Convert to fraction form
    364,346.12/503,000.90 = 255,783.59/x
  3. Step 3: Cross multiply
    364,346.12x = 503,000.90 × 255,783.59
  4. Step 4: Simplify right side
    364,346.12x = 128,659,375,386.45
  5. Step 5: Solve for x
    x = 128,659,375,386.45/364,346.12
  6. Step 6: Final answer
    x = 353,124.05

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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.