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Finding the Fourth Proportional to 494,323.20, 740,901.60 and 369,518.40

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Solution

The fourth proportional to 494,323.20, 740,901.60 and 369,518.40 is: 553,841.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,323.20 : 740,901.60 = 369,518.40 : x
  2. Step 2: Convert to fraction form
    494,323.20/740,901.60 = 369,518.40/x
  3. Step 3: Cross multiply
    494,323.20x = 740,901.60 × 369,518.40
  4. Step 4: Simplify right side
    494,323.20x = 273,776,773,789.44
  5. Step 5: Solve for x
    x = 273,776,773,789.44/494,323.20
  6. Step 6: Final answer
    x = 553,841.64

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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.