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Finding the Fourth Proportional to 256,437.46, 353,897.24 and 154,495.01

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Solution

The fourth proportional to 256,437.46, 353,897.24 and 154,495.01 is: 213,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,437.46 : 353,897.24 = 154,495.01 : x
  2. Step 2: Convert to fraction form
    256,437.46/353,897.24 = 154,495.01/x
  3. Step 3: Cross multiply
    256,437.46x = 353,897.24 × 154,495.01
  4. Step 4: Simplify right side
    256,437.46x = 54,675,357,632.77
  5. Step 5: Solve for x
    x = 54,675,357,632.77/256,437.46
  6. Step 6: Final answer
    x = 213,211.27

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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.