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Finding the Fourth Proportional to 619,191.84, 928,783.71 and 169,877.55

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Solution

The fourth proportional to 619,191.84, 928,783.71 and 169,877.55 is: 254,815.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,191.84 : 928,783.71 = 169,877.55 : x
  2. Step 2: Convert to fraction form
    619,191.84/928,783.71 = 169,877.55/x
  3. Step 3: Cross multiply
    619,191.84x = 928,783.71 × 169,877.55
  4. Step 4: Simplify right side
    619,191.84x = 157,779,501,134.71
  5. Step 5: Solve for x
    x = 157,779,501,134.71/619,191.84
  6. Step 6: Final answer
    x = 254,815.21

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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.