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Finding the Fourth Proportional to 524,911.66, 724,401.06 and 295,483.78

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Solution

The fourth proportional to 524,911.66, 724,401.06 and 295,483.78 is: 407,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,911.66 : 724,401.06 = 295,483.78 : x
  2. Step 2: Convert to fraction form
    524,911.66/724,401.06 = 295,483.78/x
  3. Step 3: Cross multiply
    524,911.66x = 724,401.06 × 295,483.78
  4. Step 4: Simplify right side
    524,911.66x = 214,048,763,444.81
  5. Step 5: Solve for x
    x = 214,048,763,444.81/524,911.66
  6. Step 6: Final answer
    x = 407,780.55

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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.