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Finding the Fourth Proportional to 550,694,611.44, 760,013,460.96 and 411,223,235.28

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Solution

The fourth proportional to 550,694,611.44, 760,013,460.96 and 411,223,235.28 is: 567,529,058.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,694,611.44 : 760,013,460.96 = 411,223,235.28 : x
  2. Step 2: Convert to fraction form
    550,694,611.44/760,013,460.96 = 411,223,235.28/x
  3. Step 3: Cross multiply
    550,694,611.44x = 760,013,460.96 × 411,223,235.28
  4. Step 4: Simplify right side
    550,694,611.44x = 312,535,194,272,321,152
  5. Step 5: Solve for x
    x = 312,535,194,272,321,152/550,694,611.44
  6. Step 6: Final answer
    x = 567,529,058.36

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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.