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Finding the Fourth Proportional to 835,337.10, 1,152,768.60 and 453,364.32

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Solution

The fourth proportional to 835,337.10, 1,152,768.60 and 453,364.32 is: 625,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,337.10 : 1,152,768.60 = 453,364.32 : x
  2. Step 2: Convert to fraction form
    835,337.10/1,152,768.60 = 453,364.32/x
  3. Step 3: Cross multiply
    835,337.10x = 1,152,768.60 × 453,364.32
  4. Step 4: Simplify right side
    835,337.10x = 522,624,152,456.35
  5. Step 5: Solve for x
    x = 522,624,152,456.35/835,337.10
  6. Step 6: Final answer
    x = 625,644.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.