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Finding the Fourth Proportional to 473,688.03, 653,698.05 and 258,837.15

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Solution

The fourth proportional to 473,688.03, 653,698.05 and 258,837.15 is: 357,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,688.03 : 653,698.05 = 258,837.15 : x
  2. Step 2: Convert to fraction form
    473,688.03/653,698.05 = 258,837.15/x
  3. Step 3: Cross multiply
    473,688.03x = 653,698.05 × 258,837.15
  4. Step 4: Simplify right side
    473,688.03x = 169,201,340,222.56
  5. Step 5: Solve for x
    x = 169,201,340,222.56/473,688.03
  6. Step 6: Final answer
    x = 357,199.95

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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.