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Finding the Fourth Proportional to 959,671.72, 1,439,511.64 and 249,648.50

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Solution

The fourth proportional to 959,671.72, 1,439,511.64 and 249,648.50 is: 374,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,671.72 : 1,439,511.64 = 249,648.50 : x
  2. Step 2: Convert to fraction form
    959,671.72/1,439,511.64 = 249,648.50/x
  3. Step 3: Cross multiply
    959,671.72x = 1,439,511.64 × 249,648.50
  4. Step 4: Simplify right side
    959,671.72x = 359,371,914,460.98
  5. Step 5: Solve for x
    x = 359,371,914,460.98/959,671.72
  6. Step 6: Final answer
    x = 374,473.80

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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.