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Finding the Fourth Proportional to 614,881.25, 848,536.13 and 346,609.25

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Solution

The fourth proportional to 614,881.25, 848,536.13 and 346,609.25 is: 478,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,881.25 : 848,536.13 = 346,609.25 : x
  2. Step 2: Convert to fraction form
    614,881.25/848,536.13 = 346,609.25/x
  3. Step 3: Cross multiply
    614,881.25x = 848,536.13 × 346,609.25
  4. Step 4: Simplify right side
    614,881.25x = 294,110,469,884.16
  5. Step 5: Solve for x
    x = 294,110,469,884.16/614,881.25
  6. Step 6: Final answer
    x = 478,320.77

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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.