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Finding the Fourth Proportional to 183,478.70, 256,345.30 and 183,478.70

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Solution

The fourth proportional to 183,478.70, 256,345.30 and 183,478.70 is: 256,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,478.70 : 256,345.30 = 183,478.70 : x
  2. Step 2: Convert to fraction form
    183,478.70/256,345.30 = 183,478.70/x
  3. Step 3: Cross multiply
    183,478.70x = 256,345.30 × 183,478.70
  4. Step 4: Simplify right side
    183,478.70x = 47,033,902,395.11
  5. Step 5: Solve for x
    x = 47,033,902,395.11/183,478.70
  6. Step 6: Final answer
    x = 256,345.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.