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Finding the Fourth Proportional to 760,627, 1,049,625.35 and 416,396.94

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Solution

The fourth proportional to 760,627, 1,049,625.35 and 416,396.94 is: 574,605.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,627 : 1,049,625.35 = 416,396.94 : x
  2. Step 2: Convert to fraction form
    760,627/1,049,625.35 = 416,396.94/x
  3. Step 3: Cross multiply
    760,627x = 1,049,625.35 × 416,396.94
  4. Step 4: Simplify right side
    760,627x = 437,060,776,556.32
  5. Step 5: Solve for x
    x = 437,060,776,556.32/760,627
  6. Step 6: Final answer
    x = 574,605.92

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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.