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Finding the Fourth Proportional to 547,875.12, 756,300.48 and 333,083.76

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Solution

The fourth proportional to 547,875.12, 756,300.48 and 333,083.76 is: 459,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,875.12 : 756,300.48 = 333,083.76 : x
  2. Step 2: Convert to fraction form
    547,875.12/756,300.48 = 333,083.76/x
  3. Step 3: Cross multiply
    547,875.12x = 756,300.48 × 333,083.76
  4. Step 4: Simplify right side
    547,875.12x = 251,911,407,568.21
  5. Step 5: Solve for x
    x = 251,911,407,568.21/547,875.12
  6. Step 6: Final answer
    x = 459,797.13

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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.