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Finding the Fourth Proportional to 655,083.40, 904,009.24 and 368,597.76

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Solution

The fourth proportional to 655,083.40, 904,009.24 and 368,597.76 is: 508,661.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,083.40 : 904,009.24 = 368,597.76 : x
  2. Step 2: Convert to fraction form
    655,083.40/904,009.24 = 368,597.76/x
  3. Step 3: Cross multiply
    655,083.40x = 904,009.24 × 368,597.76
  4. Step 4: Simplify right side
    655,083.40x = 333,215,780,883.30
  5. Step 5: Solve for x
    x = 333,215,780,883.30/655,083.40
  6. Step 6: Final answer
    x = 508,661.62

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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.