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Finding the Fourth Proportional to 503,335.59, 695,046.11 and 342,574.68

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Solution

The fourth proportional to 503,335.59, 695,046.11 and 342,574.68 is: 473,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,335.59 : 695,046.11 = 342,574.68 : x
  2. Step 2: Convert to fraction form
    503,335.59/695,046.11 = 342,574.68/x
  3. Step 3: Cross multiply
    503,335.59x = 695,046.11 × 342,574.68
  4. Step 4: Simplify right side
    503,335.59x = 238,105,198,718.50
  5. Step 5: Solve for x
    x = 238,105,198,718.50/503,335.59
  6. Step 6: Final answer
    x = 473,054.57

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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.