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Finding the Fourth Proportional to 909,850.32, 1,255,597.61 and 501,957

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Solution

The fourth proportional to 909,850.32, 1,255,597.61 and 501,957 is: 692,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,850.32 : 1,255,597.61 = 501,957 : x
  2. Step 2: Convert to fraction form
    909,850.32/1,255,597.61 = 501,957/x
  3. Step 3: Cross multiply
    909,850.32x = 1,255,597.61 × 501,957
  4. Step 4: Simplify right side
    909,850.32x = 630,256,007,012.99
  5. Step 5: Solve for x
    x = 630,256,007,012.99/909,850.32
  6. Step 6: Final answer
    x = 692,702.96

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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.