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Finding the Fourth Proportional to 835,466.60, 1,152,940.02 and 453,490.04

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Solution

The fourth proportional to 835,466.60, 1,152,940.02 and 453,490.04 is: 625,814.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,466.60 : 1,152,940.02 = 453,490.04 : x
  2. Step 2: Convert to fraction form
    835,466.60/1,152,940.02 = 453,490.04/x
  3. Step 3: Cross multiply
    835,466.60x = 1,152,940.02 × 453,490.04
  4. Step 4: Simplify right side
    835,466.60x = 522,846,815,787.40
  5. Step 5: Solve for x
    x = 522,846,815,787.40/835,466.60
  6. Step 6: Final answer
    x = 625,814.14

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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.