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Finding the Fourth Proportional to 977,625.60, 1,467,750.60 and 624,206.40

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Solution

The fourth proportional to 977,625.60, 1,467,750.60 and 624,206.40 is: 937,147.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,625.60 : 1,467,750.60 = 624,206.40 : x
  2. Step 2: Convert to fraction form
    977,625.60/1,467,750.60 = 624,206.40/x
  3. Step 3: Cross multiply
    977,625.60x = 1,467,750.60 × 624,206.40
  4. Step 4: Simplify right side
    977,625.60x = 916,179,318,123.84
  5. Step 5: Solve for x
    x = 916,179,318,123.84/977,625.60
  6. Step 6: Final answer
    x = 937,147.43

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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.