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Finding the Fourth Proportional to 560,304.32, 773,218.34 and 305,653.68

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Solution

The fourth proportional to 560,304.32, 773,218.34 and 305,653.68 is: 421,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,304.32 : 773,218.34 = 305,653.68 : x
  2. Step 2: Convert to fraction form
    560,304.32/773,218.34 = 305,653.68/x
  3. Step 3: Cross multiply
    560,304.32x = 773,218.34 × 305,653.68
  4. Step 4: Simplify right side
    560,304.32x = 236,337,031,064.49
  5. Step 5: Solve for x
    x = 236,337,031,064.49/560,304.32
  6. Step 6: Final answer
    x = 421,801.19

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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.