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Finding the Fourth Proportional to 484,897.77, 668,814.75 and 411,795.90

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Solution

The fourth proportional to 484,897.77, 668,814.75 and 411,795.90 is: 567,986.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,897.77 : 668,814.75 = 411,795.90 : x
  2. Step 2: Convert to fraction form
    484,897.77/668,814.75 = 411,795.90/x
  3. Step 3: Cross multiply
    484,897.77x = 668,814.75 × 411,795.90
  4. Step 4: Simplify right side
    484,897.77x = 275,415,171,909.53
  5. Step 5: Solve for x
    x = 275,415,171,909.53/484,897.77
  6. Step 6: Final answer
    x = 567,986.06

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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.