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Finding the Fourth Proportional to 577,549.40, 866,307.90 and 262,005.80

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Solution

The fourth proportional to 577,549.40, 866,307.90 and 262,005.80 is: 393,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,549.40 : 866,307.90 = 262,005.80 : x
  2. Step 2: Convert to fraction form
    577,549.40/866,307.90 = 262,005.80/x
  3. Step 3: Cross multiply
    577,549.40x = 866,307.90 × 262,005.80
  4. Step 4: Simplify right side
    577,549.40x = 226,977,694,385.82
  5. Step 5: Solve for x
    x = 226,977,694,385.82/577,549.40
  6. Step 6: Final answer
    x = 393,001.35

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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.