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Finding the Fourth Proportional to 446,011, 615,415.78 and 252,417.80

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Solution

The fourth proportional to 446,011, 615,415.78 and 252,417.80 is: 348,291.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,011 : 615,415.78 = 252,417.80 : x
  2. Step 2: Convert to fraction form
    446,011/615,415.78 = 252,417.80/x
  3. Step 3: Cross multiply
    446,011x = 615,415.78 × 252,417.80
  4. Step 4: Simplify right side
    446,011x = 155,341,897,272.88
  5. Step 5: Solve for x
    x = 155,341,897,272.88/446,011
  6. Step 6: Final answer
    x = 348,291.63

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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.