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Finding the Fourth Proportional to 883,647.68, 1,219,468.32 and 501,710

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Solution

The fourth proportional to 883,647.68, 1,219,468.32 and 501,710 is: 692,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,647.68 : 1,219,468.32 = 501,710 : x
  2. Step 2: Convert to fraction form
    883,647.68/1,219,468.32 = 501,710/x
  3. Step 3: Cross multiply
    883,647.68x = 1,219,468.32 × 501,710
  4. Step 4: Simplify right side
    883,647.68x = 611,819,450,827.20
  5. Step 5: Solve for x
    x = 611,819,450,827.20/883,647.68
  6. Step 6: Final answer
    x = 692,379.40

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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.