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Finding the Fourth Proportional to 348,316.04, 480,472.00 and 219,049.48

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Solution

The fourth proportional to 348,316.04, 480,472.00 and 219,049.48 is: 302,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,316.04 : 480,472.00 = 219,049.48 : x
  2. Step 2: Convert to fraction form
    348,316.04/480,472.00 = 219,049.48/x
  3. Step 3: Cross multiply
    348,316.04x = 480,472.00 × 219,049.48
  4. Step 4: Simplify right side
    348,316.04x = 105,247,141,427.78
  5. Step 5: Solve for x
    x = 105,247,141,427.78/348,316.04
  6. Step 6: Final answer
    x = 302,159.90

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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.