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Finding the Fourth Proportional to 349,320.08, 482,055.14 and 220,232.40

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Solution

The fourth proportional to 349,320.08, 482,055.14 and 220,232.40 is: 303,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,320.08 : 482,055.14 = 220,232.40 : x
  2. Step 2: Convert to fraction form
    349,320.08/482,055.14 = 220,232.40/x
  3. Step 3: Cross multiply
    349,320.08x = 482,055.14 × 220,232.40
  4. Step 4: Simplify right side
    349,320.08x = 106,164,159,313.37
  5. Step 5: Solve for x
    x = 106,164,159,313.37/349,320.08
  6. Step 6: Final answer
    x = 303,916.57

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1.5x scale

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.