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Finding the Fourth Proportional to 503,739.81, 695,210.04 and 376,193.97

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Solution

The fourth proportional to 503,739.81, 695,210.04 and 376,193.97 is: 519,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,739.81 : 695,210.04 = 376,193.97 : x
  2. Step 2: Convert to fraction form
    503,739.81/695,210.04 = 376,193.97/x
  3. Step 3: Cross multiply
    503,739.81x = 695,210.04 × 376,193.97
  4. Step 4: Simplify right side
    503,739.81x = 261,533,824,931.46
  5. Step 5: Solve for x
    x = 261,533,824,931.46/503,739.81
  6. Step 6: Final answer
    x = 519,184.35

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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.