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Finding the Fourth Proportional to 637,341.94, 956,215.14 and 188,065

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Solution

The fourth proportional to 637,341.94, 956,215.14 and 188,065 is: 282,157.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,341.94 : 956,215.14 = 188,065 : x
  2. Step 2: Convert to fraction form
    637,341.94/956,215.14 = 188,065/x
  3. Step 3: Cross multiply
    637,341.94x = 956,215.14 × 188,065
  4. Step 4: Simplify right side
    637,341.94x = 179,830,600,304.10
  5. Step 5: Solve for x
    x = 179,830,600,304.10/637,341.94
  6. Step 6: Final answer
    x = 282,157.17

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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.