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Finding the Fourth Proportional to 576,316.80, 864,475.20 and 567,459.45

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Solution

The fourth proportional to 576,316.80, 864,475.20 and 567,459.45 is: 851,189.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,316.80 : 864,475.20 = 567,459.45 : x
  2. Step 2: Convert to fraction form
    576,316.80/864,475.20 = 567,459.45/x
  3. Step 3: Cross multiply
    576,316.80x = 864,475.20 × 567,459.45
  4. Step 4: Simplify right side
    576,316.80x = 490,554,621,530.64
  5. Step 5: Solve for x
    x = 490,554,621,530.64/576,316.80
  6. Step 6: Final answer
    x = 851,189.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.