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Finding the Fourth Proportional to 670,794.80, 1,003,567.80 and 434,598.80

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Solution

The fourth proportional to 670,794.80, 1,003,567.80 and 434,598.80 is: 650,197.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,794.80 : 1,003,567.80 = 434,598.80 : x
  2. Step 2: Convert to fraction form
    670,794.80/1,003,567.80 = 434,598.80/x
  3. Step 3: Cross multiply
    670,794.80x = 1,003,567.80 × 434,598.80
  4. Step 4: Simplify right side
    670,794.80x = 436,149,361,598.64
  5. Step 5: Solve for x
    x = 436,149,361,598.64/670,794.80
  6. Step 6: Final answer
    x = 650,197.89

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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.