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Finding the Fourth Proportional to 555,196.16, 832,669.66 and 255,388.80

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Solution

The fourth proportional to 555,196.16, 832,669.66 and 255,388.80 is: 383,025.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,196.16 : 832,669.66 = 255,388.80 : x
  2. Step 2: Convert to fraction form
    555,196.16/832,669.66 = 255,388.80/x
  3. Step 3: Cross multiply
    555,196.16x = 832,669.66 × 255,388.80
  4. Step 4: Simplify right side
    555,196.16x = 212,654,505,263.81
  5. Step 5: Solve for x
    x = 212,654,505,263.81/555,196.16
  6. Step 6: Final answer
    x = 383,025.89

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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.