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Finding the Fourth Proportional to 835,662.56, 1,153,285.70 and 473,150.30

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Solution

The fourth proportional to 835,662.56, 1,153,285.70 and 473,150.30 is: 652,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,662.56 : 1,153,285.70 = 473,150.30 : x
  2. Step 2: Convert to fraction form
    835,662.56/1,153,285.70 = 473,150.30/x
  3. Step 3: Cross multiply
    835,662.56x = 1,153,285.70 × 473,150.30
  4. Step 4: Simplify right side
    835,662.56x = 545,677,466,808.53
  5. Step 5: Solve for x
    x = 545,677,466,808.53/835,662.56
  6. Step 6: Final answer
    x = 652,987.82

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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.