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Finding the Fourth Proportional to 369,039.72, 553,111.22 and 200,159.58

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Solution

The fourth proportional to 369,039.72, 553,111.22 and 200,159.58 is: 299,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,039.72 : 553,111.22 = 200,159.58 : x
  2. Step 2: Convert to fraction form
    369,039.72/553,111.22 = 200,159.58/x
  3. Step 3: Cross multiply
    369,039.72x = 553,111.22 × 200,159.58
  4. Step 4: Simplify right side
    369,039.72x = 110,710,509,488.49
  5. Step 5: Solve for x
    x = 110,710,509,488.49/369,039.72
  6. Step 6: Final answer
    x = 299,996.19

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1.5x scale

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.