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Finding the Fourth Proportional to 553,573.44, 828,457.47 and 351,057.24

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Solution

The fourth proportional to 553,573.44, 828,457.47 and 351,057.24 is: 525,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,573.44 : 828,457.47 = 351,057.24 : x
  2. Step 2: Convert to fraction form
    553,573.44/828,457.47 = 351,057.24/x
  3. Step 3: Cross multiply
    553,573.44x = 828,457.47 × 351,057.24
  4. Step 4: Simplify right side
    553,573.44x = 290,835,992,875.58
  5. Step 5: Solve for x
    x = 290,835,992,875.58/553,573.44
  6. Step 6: Final answer
    x = 525,379.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.