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Finding the Fourth Proportional to 564,992, 847,718.58 and 298,681.28

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Solution

The fourth proportional to 564,992, 847,718.58 and 298,681.28 is: 448,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,992 : 847,718.58 = 298,681.28 : x
  2. Step 2: Convert to fraction form
    564,992/847,718.58 = 298,681.28/x
  3. Step 3: Cross multiply
    564,992x = 847,718.58 × 298,681.28
  4. Step 4: Simplify right side
    564,992x = 253,197,670,554.18
  5. Step 5: Solve for x
    x = 253,197,670,554.18/564,992
  6. Step 6: Final answer
    x = 448,143.82

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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.