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Finding the Fourth Proportional to 904,657.92, 1,248,405.12 and 502,224

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Solution

The fourth proportional to 904,657.92, 1,248,405.12 and 502,224 is: 693,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,657.92 : 1,248,405.12 = 502,224 : x
  2. Step 2: Convert to fraction form
    904,657.92/1,248,405.12 = 502,224/x
  3. Step 3: Cross multiply
    904,657.92x = 1,248,405.12 × 502,224
  4. Step 4: Simplify right side
    904,657.92x = 626,979,012,986.88
  5. Step 5: Solve for x
    x = 626,979,012,986.88/904,657.92
  6. Step 6: Final answer
    x = 693,056.46

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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.