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Finding the Fourth Proportional to 473,665.06, 653,656.78 and 258,806.67

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Solution

The fourth proportional to 473,665.06, 653,656.78 and 258,806.67 is: 357,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,665.06 : 653,656.78 = 258,806.67 : x
  2. Step 2: Convert to fraction form
    473,665.06/653,656.78 = 258,806.67/x
  3. Step 3: Cross multiply
    473,665.06x = 653,656.78 × 258,806.67
  4. Step 4: Simplify right side
    473,665.06x = 169,170,734,554.72
  5. Step 5: Solve for x
    x = 169,170,734,554.72/473,665.06
  6. Step 6: Final answer
    x = 357,152.66

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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.