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Finding the Fourth Proportional to 600,235.70, 828,351.80 and 345,668.90

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Solution

The fourth proportional to 600,235.70, 828,351.80 and 345,668.90 is: 477,038.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,235.70 : 828,351.80 = 345,668.90 : x
  2. Step 2: Convert to fraction form
    600,235.70/828,351.80 = 345,668.90/x
  3. Step 3: Cross multiply
    600,235.70x = 828,351.80 × 345,668.90
  4. Step 4: Simplify right side
    600,235.70x = 286,335,455,519.02
  5. Step 5: Solve for x
    x = 286,335,455,519.02/600,235.70
  6. Step 6: Final answer
    x = 477,038.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.