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Finding the Fourth Proportional to 612,773, 845,626.74 and 344,502.92

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Solution

The fourth proportional to 612,773, 845,626.74 and 344,502.92 is: 475,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,773 : 845,626.74 = 344,502.92 : x
  2. Step 2: Convert to fraction form
    612,773/845,626.74 = 344,502.92/x
  3. Step 3: Cross multiply
    612,773x = 845,626.74 × 344,502.92
  4. Step 4: Simplify right side
    612,773x = 291,320,881,160.08
  5. Step 5: Solve for x
    x = 291,320,881,160.08/612,773
  6. Step 6: Final answer
    x = 475,414.03

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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.