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Finding the Fourth Proportional to 364,287.07, 502,718.35 and 203,152.30

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Solution

The fourth proportional to 364,287.07, 502,718.35 and 203,152.30 is: 280,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,287.07 : 502,718.35 = 203,152.30 : x
  2. Step 2: Convert to fraction form
    364,287.07/502,718.35 = 203,152.30/x
  3. Step 3: Cross multiply
    364,287.07x = 502,718.35 × 203,152.30
  4. Step 4: Simplify right side
    364,287.07x = 102,128,390,498.73
  5. Step 5: Solve for x
    x = 102,128,390,498.73/364,287.07
  6. Step 6: Final answer
    x = 280,351.40

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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.