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Finding the Fourth Proportional to 577,602.16, 866,187.48 and 198,415.24

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Solution

The fourth proportional to 577,602.16, 866,187.48 and 198,415.24 is: 297,548.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,602.16 : 866,187.48 = 198,415.24 : x
  2. Step 2: Convert to fraction form
    577,602.16/866,187.48 = 198,415.24/x
  3. Step 3: Cross multiply
    577,602.16x = 866,187.48 × 198,415.24
  4. Step 4: Simplify right side
    577,602.16x = 171,864,796,729.20
  5. Step 5: Solve for x
    x = 171,864,796,729.20/577,602.16
  6. Step 6: Final answer
    x = 297,548.74

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1.5x scale

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.