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Finding the Fourth Proportional to 583,703.17, 805,475.66 and 338,668.95

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Solution

The fourth proportional to 583,703.17, 805,475.66 and 338,668.95 is: 467,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,703.17 : 805,475.66 = 338,668.95 : x
  2. Step 2: Convert to fraction form
    583,703.17/805,475.66 = 338,668.95/x
  3. Step 3: Cross multiply
    583,703.17x = 805,475.66 × 338,668.95
  4. Step 4: Simplify right side
    583,703.17x = 272,789,596,022.76
  5. Step 5: Solve for x
    x = 272,789,596,022.76/583,703.17
  6. Step 6: Final answer
    x = 467,343.01

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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.