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Finding the Fourth Proportional to 666,065.50, 919,192.26 and 364,259.50

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Solution

The fourth proportional to 666,065.50, 919,192.26 and 364,259.50 is: 502,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,065.50 : 919,192.26 = 364,259.50 : x
  2. Step 2: Convert to fraction form
    666,065.50/919,192.26 = 364,259.50/x
  3. Step 3: Cross multiply
    666,065.50x = 919,192.26 × 364,259.50
  4. Step 4: Simplify right side
    666,065.50x = 334,824,513,031.47
  5. Step 5: Solve for x
    x = 334,824,513,031.47/666,065.50
  6. Step 6: Final answer
    x = 502,690.07

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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.