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Finding the Fourth Proportional to 635,895.64, 877,584.80 and 364,048.80

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Solution

The fourth proportional to 635,895.64, 877,584.80 and 364,048.80 is: 502,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,895.64 : 877,584.80 = 364,048.80 : x
  2. Step 2: Convert to fraction form
    635,895.64/877,584.80 = 364,048.80/x
  3. Step 3: Cross multiply
    635,895.64x = 877,584.80 × 364,048.80
  4. Step 4: Simplify right side
    635,895.64x = 319,483,693,338.24
  5. Step 5: Solve for x
    x = 319,483,693,338.24/635,895.64
  6. Step 6: Final answer
    x = 502,415.29

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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.