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Finding the Fourth Proportional to 655,527.22, 904,624.95 and 369,047.86

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Solution

The fourth proportional to 655,527.22, 904,624.95 and 369,047.86 is: 509,284.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,527.22 : 904,624.95 = 369,047.86 : x
  2. Step 2: Convert to fraction form
    655,527.22/904,624.95 = 369,047.86/x
  3. Step 3: Cross multiply
    655,527.22x = 904,624.95 × 369,047.86
  4. Step 4: Simplify right side
    655,527.22x = 333,849,901,900.11
  5. Step 5: Solve for x
    x = 333,849,901,900.11/655,527.22
  6. Step 6: Final answer
    x = 509,284.58

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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.