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Finding the Fourth Proportional to 635,901.90, 877,593.45 and 364,055.07

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Solution

The fourth proportional to 635,901.90, 877,593.45 and 364,055.07 is: 502,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,901.90 : 877,593.45 = 364,055.07 : x
  2. Step 2: Convert to fraction form
    635,901.90/877,593.45 = 364,055.07/x
  3. Step 3: Cross multiply
    635,901.90x = 877,593.45 × 364,055.07
  4. Step 4: Simplify right side
    635,901.90x = 319,492,344,871.29
  5. Step 5: Solve for x
    x = 319,492,344,871.29/635,901.90
  6. Step 6: Final answer
    x = 502,423.95

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Double scale
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Similar ratio
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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.