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Finding the Fourth Proportional to 706,692.78, 975,261.69 and 404,945.10

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Solution

The fourth proportional to 706,692.78, 975,261.69 and 404,945.10 is: 558,838.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,692.78 : 975,261.69 = 404,945.10 : x
  2. Step 2: Convert to fraction form
    706,692.78/975,261.69 = 404,945.10/x
  3. Step 3: Cross multiply
    706,692.78x = 975,261.69 × 404,945.10
  4. Step 4: Simplify right side
    706,692.78x = 394,927,442,583.22
  5. Step 5: Solve for x
    x = 394,927,442,583.22/706,692.78
  6. Step 6: Final answer
    x = 558,838.94

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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.