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Finding the Fourth Proportional to 461,702.40, 692,553.60 and 439,929.60

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Solution

The fourth proportional to 461,702.40, 692,553.60 and 439,929.60 is: 659,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,702.40 : 692,553.60 = 439,929.60 : x
  2. Step 2: Convert to fraction form
    461,702.40/692,553.60 = 439,929.60/x
  3. Step 3: Cross multiply
    461,702.40x = 692,553.60 × 439,929.60
  4. Step 4: Simplify right side
    461,702.40x = 304,674,828,226.56
  5. Step 5: Solve for x
    x = 304,674,828,226.56/461,702.40
  6. Step 6: Final answer
    x = 659,894.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.