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Finding the Fourth Proportional to 506,019.06, 759,153.18 and 356,551.28

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Solution

The fourth proportional to 506,019.06, 759,153.18 and 356,551.28 is: 534,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,019.06 : 759,153.18 = 356,551.28 : x
  2. Step 2: Convert to fraction form
    506,019.06/759,153.18 = 356,551.28/x
  3. Step 3: Cross multiply
    506,019.06x = 759,153.18 × 356,551.28
  4. Step 4: Simplify right side
    506,019.06x = 270,677,038,045.07
  5. Step 5: Solve for x
    x = 270,677,038,045.07/506,019.06
  6. Step 6: Final answer
    x = 534,914.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.