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Finding the Fourth Proportional to 604,859.12, 907,291.05 and 245,036.78

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Solution

The fourth proportional to 604,859.12, 907,291.05 and 245,036.78 is: 367,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,859.12 : 907,291.05 = 245,036.78 : x
  2. Step 2: Convert to fraction form
    604,859.12/907,291.05 = 245,036.78/x
  3. Step 3: Cross multiply
    604,859.12x = 907,291.05 × 245,036.78
  4. Step 4: Simplify right side
    604,859.12x = 222,319,672,878.36
  5. Step 5: Solve for x
    x = 222,319,672,878.36/604,859.12
  6. Step 6: Final answer
    x = 367,556.13

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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.