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Finding the Fourth Proportional to 430,989.90, 594,844.47 and 249,817.74

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Solution

The fourth proportional to 430,989.90, 594,844.47 and 249,817.74 is: 344,793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,989.90 : 594,844.47 = 249,817.74 : x
  2. Step 2: Convert to fraction form
    430,989.90/594,844.47 = 249,817.74/x
  3. Step 3: Cross multiply
    430,989.90x = 594,844.47 × 249,817.74
  4. Step 4: Simplify right side
    430,989.90x = 148,602,701,146.90
  5. Step 5: Solve for x
    x = 148,602,701,146.90/430,989.90
  6. Step 6: Final answer
    x = 344,793.93

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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.