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Finding the Fourth Proportional to 436,457.21, 602,587.68 and 298,866.39

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Solution

The fourth proportional to 436,457.21, 602,587.68 and 298,866.39 is: 412,625.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,457.21 : 602,587.68 = 298,866.39 : x
  2. Step 2: Convert to fraction form
    436,457.21/602,587.68 = 298,866.39/x
  3. Step 3: Cross multiply
    436,457.21x = 602,587.68 × 298,866.39
  4. Step 4: Simplify right side
    436,457.21x = 180,093,202,880.75
  5. Step 5: Solve for x
    x = 180,093,202,880.75/436,457.21
  6. Step 6: Final answer
    x = 412,625.11

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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.