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Finding the Fourth Proportional to 707,304.35, 976,040.28 and 384,995.23

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Solution

The fourth proportional to 707,304.35, 976,040.28 and 384,995.23 is: 531,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,304.35 : 976,040.28 = 384,995.23 : x
  2. Step 2: Convert to fraction form
    707,304.35/976,040.28 = 384,995.23/x
  3. Step 3: Cross multiply
    707,304.35x = 976,040.28 × 384,995.23
  4. Step 4: Simplify right side
    707,304.35x = 375,770,849,647.76
  5. Step 5: Solve for x
    x = 375,770,849,647.76/707,304.35
  6. Step 6: Final answer
    x = 531,271.79

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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.