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Finding the Fourth Proportional to 610,690.19, 842,790.18 and 352,614.28

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Solution

The fourth proportional to 610,690.19, 842,790.18 and 352,614.28 is: 486,629.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,690.19 : 842,790.18 = 352,614.28 : x
  2. Step 2: Convert to fraction form
    610,690.19/842,790.18 = 352,614.28/x
  3. Step 3: Cross multiply
    610,690.19x = 842,790.18 × 352,614.28
  4. Step 4: Simplify right side
    610,690.19x = 297,179,853,597.50
  5. Step 5: Solve for x
    x = 297,179,853,597.50/610,690.19
  6. Step 6: Final answer
    x = 486,629.49

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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.