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Finding the Fourth Proportional to 273,443.51, 377,364.12 and 152,585.28

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Solution

The fourth proportional to 273,443.51, 377,364.12 and 152,585.28 is: 210,574.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,443.51 : 377,364.12 = 152,585.28 : x
  2. Step 2: Convert to fraction form
    273,443.51/377,364.12 = 152,585.28/x
  3. Step 3: Cross multiply
    273,443.51x = 377,364.12 × 152,585.28
  4. Step 4: Simplify right side
    273,443.51x = 57,580,209,870.63
  5. Step 5: Solve for x
    x = 57,580,209,870.63/273,443.51
  6. Step 6: Final answer
    x = 210,574.42

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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.