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Finding the Fourth Proportional to 578,620.01, 798,322.88 and 374,347.46

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Solution

The fourth proportional to 578,620.01, 798,322.88 and 374,347.46 is: 516,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,620.01 : 798,322.88 = 374,347.46 : x
  2. Step 2: Convert to fraction form
    578,620.01/798,322.88 = 374,347.46/x
  3. Step 3: Cross multiply
    578,620.01x = 798,322.88 × 374,347.46
  4. Step 4: Simplify right side
    578,620.01x = 298,850,139,332.14
  5. Step 5: Solve for x
    x = 298,850,139,332.14/578,620.01
  6. Step 6: Final answer
    x = 516,487.74

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1.5x scale

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.