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Finding the Fourth Proportional to 475,345.96, 655,993.41 and 260,484.15

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Solution

The fourth proportional to 475,345.96, 655,993.41 and 260,484.15 is: 359,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,345.96 : 655,993.41 = 260,484.15 : x
  2. Step 2: Convert to fraction form
    475,345.96/655,993.41 = 260,484.15/x
  3. Step 3: Cross multiply
    475,345.96x = 655,993.41 × 260,484.15
  4. Step 4: Simplify right side
    475,345.96x = 170,875,885,809.45
  5. Step 5: Solve for x
    x = 170,875,885,809.45/475,345.96
  6. Step 6: Final answer
    x = 359,476.89

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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.