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Finding the Fourth Proportional to 601,445.39, 829,790.29 and 343,136.77

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Solution

The fourth proportional to 601,445.39, 829,790.29 and 343,136.77 is: 473,412.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,445.39 : 829,790.29 = 343,136.77 : x
  2. Step 2: Convert to fraction form
    601,445.39/829,790.29 = 343,136.77/x
  3. Step 3: Cross multiply
    601,445.39x = 829,790.29 × 343,136.77
  4. Step 4: Simplify right side
    601,445.39x = 284,731,560,979.84
  5. Step 5: Solve for x
    x = 284,731,560,979.84/601,445.39
  6. Step 6: Final answer
    x = 473,412.16

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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.