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Finding the Fourth Proportional to 655,689.02, 904,878.66 and 365,300.32

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Solution

The fourth proportional to 655,689.02, 904,878.66 and 365,300.32 is: 504,129.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,689.02 : 904,878.66 = 365,300.32 : x
  2. Step 2: Convert to fraction form
    655,689.02/904,878.66 = 365,300.32/x
  3. Step 3: Cross multiply
    655,689.02x = 904,878.66 × 365,300.32
  4. Step 4: Simplify right side
    655,689.02x = 330,552,462,232.67
  5. Step 5: Solve for x
    x = 330,552,462,232.67/655,689.02
  6. Step 6: Final answer
    x = 504,129.94

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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.