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Finding the Fourth Proportional to 555,501.44, 766,591.76 and 300,852.64

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Solution

The fourth proportional to 555,501.44, 766,591.76 and 300,852.64 is: 415,176.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,501.44 : 766,591.76 = 300,852.64 : x
  2. Step 2: Convert to fraction form
    555,501.44/766,591.76 = 300,852.64/x
  3. Step 3: Cross multiply
    555,501.44x = 766,591.76 × 300,852.64
  4. Step 4: Simplify right side
    555,501.44x = 230,631,154,798.25
  5. Step 5: Solve for x
    x = 230,631,154,798.25/555,501.44
  6. Step 6: Final answer
    x = 415,176.52

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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.