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Finding the Fourth Proportional to 454,602.44, 676,536.11 and 439,465.66

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Solution

The fourth proportional to 454,602.44, 676,536.11 and 439,465.66 is: 654,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,602.44 : 676,536.11 = 439,465.66 : x
  2. Step 2: Convert to fraction form
    454,602.44/676,536.11 = 439,465.66/x
  3. Step 3: Cross multiply
    454,602.44x = 676,536.11 × 439,465.66
  4. Step 4: Simplify right side
    454,602.44x = 297,314,388,094.98
  5. Step 5: Solve for x
    x = 297,314,388,094.98/454,602.44
  6. Step 6: Final answer
    x = 654,009.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.