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Finding the Fourth Proportional to 372,482.51, 557,719.85 and 236,812.83

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Solution

The fourth proportional to 372,482.51, 557,719.85 and 236,812.83 is: 354,580.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,482.51 : 557,719.85 = 236,812.83 : x
  2. Step 2: Convert to fraction form
    372,482.51/557,719.85 = 236,812.83/x
  3. Step 3: Cross multiply
    372,482.51x = 557,719.85 × 236,812.83
  4. Step 4: Simplify right side
    372,482.51x = 132,075,214,841.61
  5. Step 5: Solve for x
    x = 132,075,214,841.61/372,482.51
  6. Step 6: Final answer
    x = 354,580.99

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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.