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Finding the Fourth Proportional to 655,526.26, 904,712.50 and 369,102.16

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Solution

The fourth proportional to 655,526.26, 904,712.50 and 369,102.16 is: 509,409.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,526.26 : 904,712.50 = 369,102.16 : x
  2. Step 2: Convert to fraction form
    655,526.26/904,712.50 = 369,102.16/x
  3. Step 3: Cross multiply
    655,526.26x = 904,712.50 × 369,102.16
  4. Step 4: Simplify right side
    655,526.26x = 333,931,333,405.44
  5. Step 5: Solve for x
    x = 333,931,333,405.44/655,526.26
  6. Step 6: Final answer
    x = 509,409.55

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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.