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Finding the Fourth Proportional to 655,525.92, 904,642.62 and 369,056.16

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Solution

The fourth proportional to 655,525.92, 904,642.62 and 369,056.16 is: 509,306.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,525.92 : 904,642.62 = 369,056.16 : x
  2. Step 2: Convert to fraction form
    655,525.92/904,642.62 = 369,056.16/x
  3. Step 3: Cross multiply
    655,525.92x = 904,642.62 × 369,056.16
  4. Step 4: Simplify right side
    655,525.92x = 333,863,931,509.54
  5. Step 5: Solve for x
    x = 333,863,931,509.54/655,525.92
  6. Step 6: Final answer
    x = 509,306.99

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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.