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Finding the Fourth Proportional to 610,808.40, 842,955.44 and 352,696.23

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Solution

The fourth proportional to 610,808.40, 842,955.44 and 352,696.23 is: 486,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,808.40 : 842,955.44 = 352,696.23 : x
  2. Step 2: Convert to fraction form
    610,808.40/842,955.44 = 352,696.23/x
  3. Step 3: Cross multiply
    610,808.40x = 842,955.44 × 352,696.23
  4. Step 4: Simplify right side
    610,808.40x = 297,307,199,767.73
  5. Step 5: Solve for x
    x = 297,307,199,767.73/610,808.40
  6. Step 6: Final answer
    x = 486,743.80

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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.