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Finding the Fourth Proportional to 594,420.50, 891,775.98 and 189,612.78

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Solution

The fourth proportional to 594,420.50, 891,775.98 and 189,612.78 is: 284,465.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,420.50 : 891,775.98 = 189,612.78 : x
  2. Step 2: Convert to fraction form
    594,420.50/891,775.98 = 189,612.78/x
  3. Step 3: Cross multiply
    594,420.50x = 891,775.98 × 189,612.78
  4. Step 4: Simplify right side
    594,420.50x = 169,092,122,705.02
  5. Step 5: Solve for x
    x = 169,092,122,705.02/594,420.50
  6. Step 6: Final answer
    x = 284,465.50

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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.