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Finding the Fourth Proportional to 438,053.23, 604,512.60 and 247,066.03

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Solution

The fourth proportional to 438,053.23, 604,512.60 and 247,066.03 is: 340,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,053.23 : 604,512.60 = 247,066.03 : x
  2. Step 2: Convert to fraction form
    438,053.23/604,512.60 = 247,066.03/x
  3. Step 3: Cross multiply
    438,053.23x = 604,512.60 × 247,066.03
  4. Step 4: Simplify right side
    438,053.23x = 149,354,528,166.98
  5. Step 5: Solve for x
    x = 149,354,528,166.98/438,053.23
  6. Step 6: Final answer
    x = 340,950.64

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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.