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Finding the Fourth Proportional to 577,840.10, 866,414.55 and 297,904.10

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Solution

The fourth proportional to 577,840.10, 866,414.55 and 297,904.10 is: 446,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,840.10 : 866,414.55 = 297,904.10 : x
  2. Step 2: Convert to fraction form
    577,840.10/866,414.55 = 297,904.10/x
  3. Step 3: Cross multiply
    577,840.10x = 866,414.55 × 297,904.10
  4. Step 4: Simplify right side
    577,840.10x = 258,108,446,744.66
  5. Step 5: Solve for x
    x = 258,108,446,744.66/577,840.10
  6. Step 6: Final answer
    x = 446,677.98

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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.