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Finding the Fourth Proportional to 917,016.30, 1,375,524.45 and 707,064.30

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Solution

The fourth proportional to 917,016.30, 1,375,524.45 and 707,064.30 is: 1,060,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,016.30 : 1,375,524.45 = 707,064.30 : x
  2. Step 2: Convert to fraction form
    917,016.30/1,375,524.45 = 707,064.30/x
  3. Step 3: Cross multiply
    917,016.30x = 1,375,524.45 × 707,064.30
  4. Step 4: Simplify right side
    917,016.30x = 972,584,232,372.14
  5. Step 5: Solve for x
    x = 972,584,232,372.14/917,016.30
  6. Step 6: Final answer
    x = 1,060,596.45

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1.5x scale

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.