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Finding the Fourth Proportional to 635,752.14, 877,347.50 and 345,369.42

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Solution

The fourth proportional to 635,752.14, 877,347.50 and 345,369.42 is: 476,614.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,752.14 : 877,347.50 = 345,369.42 : x
  2. Step 2: Convert to fraction form
    635,752.14/877,347.50 = 345,369.42/x
  3. Step 3: Cross multiply
    635,752.14x = 877,347.50 × 345,369.42
  4. Step 4: Simplify right side
    635,752.14x = 303,008,997,429.31
  5. Step 5: Solve for x
    x = 303,008,997,429.31/635,752.14
  6. Step 6: Final answer
    x = 476,614.98

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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.