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Finding the Fourth Proportional to 369,063.30, 553,246.65 and 200,334.90

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Solution

The fourth proportional to 369,063.30, 553,246.65 and 200,334.90 is: 300,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,063.30 : 553,246.65 = 200,334.90 : x
  2. Step 2: Convert to fraction form
    369,063.30/553,246.65 = 200,334.90/x
  3. Step 3: Cross multiply
    369,063.30x = 553,246.65 × 200,334.90
  4. Step 4: Simplify right side
    369,063.30x = 110,834,612,303.09
  5. Step 5: Solve for x
    x = 110,834,612,303.09/369,063.30
  6. Step 6: Final answer
    x = 300,313.29

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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.