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Finding the Fourth Proportional to 453,071.46, 679,560.42 and 153,544.30

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Solution

The fourth proportional to 453,071.46, 679,560.42 and 153,544.30 is: 230,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,071.46 : 679,560.42 = 153,544.30 : x
  2. Step 2: Convert to fraction form
    453,071.46/679,560.42 = 153,544.30/x
  3. Step 3: Cross multiply
    453,071.46x = 679,560.42 × 153,544.30
  4. Step 4: Simplify right side
    453,071.46x = 104,342,628,996.61
  5. Step 5: Solve for x
    x = 104,342,628,996.61/453,071.46
  6. Step 6: Final answer
    x = 230,300.60

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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.