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Finding the Fourth Proportional to 480,349.12, 662,538 and 337,141.12

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Solution

The fourth proportional to 480,349.12, 662,538 and 337,141.12 is: 465,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,349.12 : 662,538 = 337,141.12 : x
  2. Step 2: Convert to fraction form
    480,349.12/662,538 = 337,141.12/x
  3. Step 3: Cross multiply
    480,349.12x = 662,538 × 337,141.12
  4. Step 4: Simplify right side
    480,349.12x = 223,368,803,362.56
  5. Step 5: Solve for x
    x = 223,368,803,362.56/480,349.12
  6. Step 6: Final answer
    x = 465,013.45

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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.