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Finding the Fourth Proportional to 473,566.21, 653,521.80 and 258,709.86

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Solution

The fourth proportional to 473,566.21, 653,521.80 and 258,709.86 is: 357,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,566.21 : 653,521.80 = 258,709.86 : x
  2. Step 2: Convert to fraction form
    473,566.21/653,521.80 = 258,709.86/x
  3. Step 3: Cross multiply
    473,566.21x = 653,521.80 × 258,709.86
  4. Step 4: Simplify right side
    473,566.21x = 169,072,534,355.11
  5. Step 5: Solve for x
    x = 169,072,534,355.11/473,566.21
  6. Step 6: Final answer
    x = 357,019.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.