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Finding the Fourth Proportional to 610,710.53, 842,785.58 and 338,796.23

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Solution

The fourth proportional to 610,710.53, 842,785.58 and 338,796.23 is: 467,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,710.53 : 842,785.58 = 338,796.23 : x
  2. Step 2: Convert to fraction form
    610,710.53/842,785.58 = 338,796.23/x
  3. Step 3: Cross multiply
    610,710.53x = 842,785.58 × 338,796.23
  4. Step 4: Simplify right side
    610,710.53x = 285,532,573,835.43
  5. Step 5: Solve for x
    x = 285,532,573,835.43/610,710.53
  6. Step 6: Final answer
    x = 467,541.60

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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.