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Finding the Fourth Proportional to 707,119.61, 975,806.33 and 384,822.79

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Solution

The fourth proportional to 707,119.61, 975,806.33 and 384,822.79 is: 531,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,119.61 : 975,806.33 = 384,822.79 : x
  2. Step 2: Convert to fraction form
    707,119.61/975,806.33 = 384,822.79/x
  3. Step 3: Cross multiply
    707,119.61x = 975,806.33 × 384,822.79
  4. Step 4: Simplify right side
    707,119.61x = 375,512,510,046.63
  5. Step 5: Solve for x
    x = 375,512,510,046.63/707,119.61
  6. Step 6: Final answer
    x = 531,045.25

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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.