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Finding the Fourth Proportional to 993,468, 1,490,187.52 and 245,514.08

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Solution

The fourth proportional to 993,468, 1,490,187.52 and 245,514.08 is: 368,267.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,468 : 1,490,187.52 = 245,514.08 : x
  2. Step 2: Convert to fraction form
    993,468/1,490,187.52 = 245,514.08/x
  3. Step 3: Cross multiply
    993,468x = 1,490,187.52 × 245,514.08
  4. Step 4: Simplify right side
    993,468x = 365,862,018,000.28
  5. Step 5: Solve for x
    x = 365,862,018,000.28/993,468
  6. Step 6: Final answer
    x = 368,267.54

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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.