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Finding the Fourth Proportional to 635,927.40, 877,628.70 and 364,080.60

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Solution

The fourth proportional to 635,927.40, 877,628.70 and 364,080.60 is: 502,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,927.40 : 877,628.70 = 364,080.60 : x
  2. Step 2: Convert to fraction form
    635,927.40/877,628.70 = 364,080.60/x
  3. Step 3: Cross multiply
    635,927.40x = 877,628.70 × 364,080.60
  4. Step 4: Simplify right side
    635,927.40x = 319,527,583,673.22
  5. Step 5: Solve for x
    x = 319,527,583,673.22/635,927.40
  6. Step 6: Final answer
    x = 502,459.22

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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.