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Finding the Fourth Proportional to 461,931.77, 637,484 and 265,697.88

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Solution

The fourth proportional to 461,931.77, 637,484 and 265,697.88 is: 366,673.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,931.77 : 637,484 = 265,697.88 : x
  2. Step 2: Convert to fraction form
    461,931.77/637,484 = 265,697.88/x
  3. Step 3: Cross multiply
    461,931.77x = 637,484 × 265,697.88
  4. Step 4: Simplify right side
    461,931.77x = 169,378,147,333.92
  5. Step 5: Solve for x
    x = 169,378,147,333.92/461,931.77
  6. Step 6: Final answer
    x = 366,673.52

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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.