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Finding the Fourth Proportional to 555,133.19, 765,764.03 and 334,216.69

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Solution

The fourth proportional to 555,133.19, 765,764.03 and 334,216.69 is: 461,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,133.19 : 765,764.03 = 334,216.69 : x
  2. Step 2: Convert to fraction form
    555,133.19/765,764.03 = 334,216.69/x
  3. Step 3: Cross multiply
    555,133.19x = 765,764.03 × 334,216.69
  4. Step 4: Simplify right side
    555,133.19x = 255,931,115,598.84
  5. Step 5: Solve for x
    x = 255,931,115,598.84/555,133.19
  6. Step 6: Final answer
    x = 461,026.51

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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.