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Finding the Fourth Proportional to 446,223.78, 615,788.76 and 245,019.78

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Solution

The fourth proportional to 446,223.78, 615,788.76 and 245,019.78 is: 338,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,223.78 : 615,788.76 = 245,019.78 : x
  2. Step 2: Convert to fraction form
    446,223.78/615,788.76 = 245,019.78/x
  3. Step 3: Cross multiply
    446,223.78x = 615,788.76 × 245,019.78
  4. Step 4: Simplify right side
    446,223.78x = 150,880,426,501.67
  5. Step 5: Solve for x
    x = 150,880,426,501.67/446,223.78
  6. Step 6: Final answer
    x = 338,127.27

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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.