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Finding the Fourth Proportional to 651,575.80, 977,331.30 and 336,064.60

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Solution

The fourth proportional to 651,575.80, 977,331.30 and 336,064.60 is: 504,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,575.80 : 977,331.30 = 336,064.60 : x
  2. Step 2: Convert to fraction form
    651,575.80/977,331.30 = 336,064.60/x
  3. Step 3: Cross multiply
    651,575.80x = 977,331.30 × 336,064.60
  4. Step 4: Simplify right side
    651,575.80x = 328,446,452,401.98
  5. Step 5: Solve for x
    x = 328,446,452,401.98/651,575.80
  6. Step 6: Final answer
    x = 504,080.19

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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.