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Finding the Fourth Proportional to 463,869.40, 695,804.10 and 277,245.40

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Solution

The fourth proportional to 463,869.40, 695,804.10 and 277,245.40 is: 415,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,869.40 : 695,804.10 = 277,245.40 : x
  2. Step 2: Convert to fraction form
    463,869.40/695,804.10 = 277,245.40/x
  3. Step 3: Cross multiply
    463,869.40x = 695,804.10 × 277,245.40
  4. Step 4: Simplify right side
    463,869.40x = 192,908,486,026.14
  5. Step 5: Solve for x
    x = 192,908,486,026.14/463,869.40
  6. Step 6: Final answer
    x = 415,868.10

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.