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Finding the Fourth Proportional to 533,862.81, 736,725.17 and 304,457.45

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Solution

The fourth proportional to 533,862.81, 736,725.17 and 304,457.45 is: 420,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,862.81 : 736,725.17 = 304,457.45 : x
  2. Step 2: Convert to fraction form
    533,862.81/736,725.17 = 304,457.45/x
  3. Step 3: Cross multiply
    533,862.81x = 736,725.17 × 304,457.45
  4. Step 4: Simplify right side
    533,862.81x = 224,301,463,686.53
  5. Step 5: Solve for x
    x = 224,301,463,686.53/533,862.81
  6. Step 6: Final answer
    x = 420,148.13

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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.