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Finding the Fourth Proportional to 369,111.80, 553,667.70 and 362,113.40

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Solution

The fourth proportional to 369,111.80, 553,667.70 and 362,113.40 is: 543,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,111.80 : 553,667.70 = 362,113.40 : x
  2. Step 2: Convert to fraction form
    369,111.80/553,667.70 = 362,113.40/x
  3. Step 3: Cross multiply
    369,111.80x = 553,667.70 × 362,113.40
  4. Step 4: Simplify right side
    369,111.80x = 200,490,493,317.18
  5. Step 5: Solve for x
    x = 200,490,493,317.18/369,111.80
  6. Step 6: Final answer
    x = 543,170.10

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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.