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Finding the Fourth Proportional to 610,404.39, 842,186.25 and 480,941.51

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Solution

The fourth proportional to 610,404.39, 842,186.25 and 480,941.51 is: 663,563.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,404.39 : 842,186.25 = 480,941.51 : x
  2. Step 2: Convert to fraction form
    610,404.39/842,186.25 = 480,941.51/x
  3. Step 3: Cross multiply
    610,404.39x = 842,186.25 × 480,941.51
  4. Step 4: Simplify right side
    610,404.39x = 405,042,322,565.31
  5. Step 5: Solve for x
    x = 405,042,322,565.31/610,404.39
  6. Step 6: Final answer
    x = 663,563.91

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Double scale
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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.