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Finding the Fourth Proportional to 446,851.20, 670,276.80 and 260,227.20

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Solution

The fourth proportional to 446,851.20, 670,276.80 and 260,227.20 is: 390,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,851.20 : 670,276.80 = 260,227.20 : x
  2. Step 2: Convert to fraction form
    446,851.20/670,276.80 = 260,227.20/x
  3. Step 3: Cross multiply
    446,851.20x = 670,276.80 × 260,227.20
  4. Step 4: Simplify right side
    446,851.20x = 174,424,254,888.96
  5. Step 5: Solve for x
    x = 174,424,254,888.96/446,851.20
  6. Step 6: Final answer
    x = 390,340.80

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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.