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Finding the Fourth Proportional to 623,881.20, 934,072.20 and 606,385.20

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Solution

The fourth proportional to 623,881.20, 934,072.20 and 606,385.20 is: 907,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,881.20 : 934,072.20 = 606,385.20 : x
  2. Step 2: Convert to fraction form
    623,881.20/934,072.20 = 606,385.20/x
  3. Step 3: Cross multiply
    623,881.20x = 934,072.20 × 606,385.20
  4. Step 4: Simplify right side
    623,881.20x = 566,407,557,811.44
  5. Step 5: Solve for x
    x = 566,407,557,811.44/623,881.20
  6. Step 6: Final answer
    x = 907,877.27

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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.