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Finding the Fourth Proportional to 977,599.60, 1,467,711.60 and 624,180.40

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Solution

The fourth proportional to 977,599.60, 1,467,711.60 and 624,180.40 is: 937,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,599.60 : 1,467,711.60 = 624,180.40 : x
  2. Step 2: Convert to fraction form
    977,599.60/1,467,711.60 = 624,180.40/x
  3. Step 3: Cross multiply
    977,599.60x = 1,467,711.60 × 624,180.40
  4. Step 4: Simplify right side
    977,599.60x = 916,116,813,572.64
  5. Step 5: Solve for x
    x = 916,116,813,572.64/977,599.60
  6. Step 6: Final answer
    x = 937,108.42

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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.