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Finding the Fourth Proportional to 526,950, 790,436.88 and 190,018.08

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Solution

The fourth proportional to 526,950, 790,436.88 and 190,018.08 is: 285,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,950 : 790,436.88 = 190,018.08 : x
  2. Step 2: Convert to fraction form
    526,950/790,436.88 = 190,018.08/x
  3. Step 3: Cross multiply
    526,950x = 790,436.88 × 190,018.08
  4. Step 4: Simplify right side
    526,950x = 150,197,298,298.79
  5. Step 5: Solve for x
    x = 150,197,298,298.79/526,950
  6. Step 6: Final answer
    x = 285,031.40

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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.