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Finding the Fourth Proportional to 410,712.40, 616,068.60 and 365,611.60

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Solution

The fourth proportional to 410,712.40, 616,068.60 and 365,611.60 is: 548,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,712.40 : 616,068.60 = 365,611.60 : x
  2. Step 2: Convert to fraction form
    410,712.40/616,068.60 = 365,611.60/x
  3. Step 3: Cross multiply
    410,712.40x = 616,068.60 × 365,611.60
  4. Step 4: Simplify right side
    410,712.40x = 225,241,826,555.76
  5. Step 5: Solve for x
    x = 225,241,826,555.76/410,712.40
  6. Step 6: Final answer
    x = 548,417.40

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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.