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Finding the Fourth Proportional to 702,999, 1,054,678.32 and 204,363

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Solution

The fourth proportional to 702,999, 1,054,678.32 and 204,363 is: 306,596.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,999 : 1,054,678.32 = 204,363 : x
  2. Step 2: Convert to fraction form
    702,999/1,054,678.32 = 204,363/x
  3. Step 3: Cross multiply
    702,999x = 1,054,678.32 × 204,363
  4. Step 4: Simplify right side
    702,999x = 215,537,225,510.16
  5. Step 5: Solve for x
    x = 215,537,225,510.16/702,999
  6. Step 6: Final answer
    x = 306,596.77

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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.