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Finding the Fourth Proportional to 578,359.95, 797,054.90 and 416,939.91

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Solution

The fourth proportional to 578,359.95, 797,054.90 and 416,939.91 is: 574,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,359.95 : 797,054.90 = 416,939.91 : x
  2. Step 2: Convert to fraction form
    578,359.95/797,054.90 = 416,939.91/x
  3. Step 3: Cross multiply
    578,359.95x = 797,054.90 × 416,939.91
  4. Step 4: Simplify right side
    578,359.95x = 332,323,996,186.36
  5. Step 5: Solve for x
    x = 332,323,996,186.36/578,359.95
  6. Step 6: Final answer
    x = 574,597.18

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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.