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Finding the Fourth Proportional to 430,986.63, 594,761.54 and 249,803.66

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Solution

The fourth proportional to 430,986.63, 594,761.54 and 249,803.66 is: 344,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,986.63 : 594,761.54 = 249,803.66 : x
  2. Step 2: Convert to fraction form
    430,986.63/594,761.54 = 249,803.66/x
  3. Step 3: Cross multiply
    430,986.63x = 594,761.54 × 249,803.66
  4. Step 4: Simplify right side
    430,986.63x = 148,573,605,296.41
  5. Step 5: Solve for x
    x = 148,573,605,296.41/430,986.63
  6. Step 6: Final answer
    x = 344,729.04

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1.5x scale

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.