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Finding the Fourth Proportional to 601,548.60, 830,081.86 and 346,850.58

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Solution

The fourth proportional to 601,548.60, 830,081.86 and 346,850.58 is: 478,621.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,548.60 : 830,081.86 = 346,850.58 : x
  2. Step 2: Convert to fraction form
    601,548.60/830,081.86 = 346,850.58/x
  3. Step 3: Cross multiply
    601,548.60x = 830,081.86 × 346,850.58
  4. Step 4: Simplify right side
    601,548.60x = 287,914,374,588.48
  5. Step 5: Solve for x
    x = 287,914,374,588.48/601,548.60
  6. Step 6: Final answer
    x = 478,621.97

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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.