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Finding the Fourth Proportional to 572,718.68, 792,064.44 and 500,974.16

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Solution

The fourth proportional to 572,718.68, 792,064.44 and 500,974.16 is: 692,842.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,718.68 : 792,064.44 = 500,974.16 : x
  2. Step 2: Convert to fraction form
    572,718.68/792,064.44 = 500,974.16/x
  3. Step 3: Cross multiply
    572,718.68x = 792,064.44 × 500,974.16
  4. Step 4: Simplify right side
    572,718.68x = 396,803,817,494.87
  5. Step 5: Solve for x
    x = 396,803,817,494.87/572,718.68
  6. Step 6: Final answer
    x = 692,842.46

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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.