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Finding the Fourth Proportional to 430,759.78, 594,405.55 and 249,529.93

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Solution

The fourth proportional to 430,759.78, 594,405.55 and 249,529.93 is: 344,326.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,759.78 : 594,405.55 = 249,529.93 : x
  2. Step 2: Convert to fraction form
    430,759.78/594,405.55 = 249,529.93/x
  3. Step 3: Cross multiply
    430,759.78x = 594,405.55 × 249,529.93
  4. Step 4: Simplify right side
    430,759.78x = 148,321,975,283.11
  5. Step 5: Solve for x
    x = 148,321,975,283.11/430,759.78
  6. Step 6: Final answer
    x = 344,326.43

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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.