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Finding the Fourth Proportional to 655,257.03, 904,283.79 and 368,795.67

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Solution

The fourth proportional to 655,257.03, 904,283.79 and 368,795.67 is: 508,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,257.03 : 904,283.79 = 368,795.67 : x
  2. Step 2: Convert to fraction form
    655,257.03/904,283.79 = 368,795.67/x
  3. Step 3: Cross multiply
    655,257.03x = 904,283.79 × 368,795.67
  4. Step 4: Simplify right side
    655,257.03x = 333,495,946,203.19
  5. Step 5: Solve for x
    x = 333,495,946,203.19/655,257.03
  6. Step 6: Final answer
    x = 508,954.40

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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.