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Finding the Fourth Proportional to 259,804.48, 358,491.72 and 157,776.76

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Solution

The fourth proportional to 259,804.48, 358,491.72 and 157,776.76 is: 217,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,804.48 : 358,491.72 = 157,776.76 : x
  2. Step 2: Convert to fraction form
    259,804.48/358,491.72 = 157,776.76/x
  3. Step 3: Cross multiply
    259,804.48x = 358,491.72 × 157,776.76
  4. Step 4: Simplify right side
    259,804.48x = 56,561,662,068.43
  5. Step 5: Solve for x
    x = 56,561,662,068.43/259,804.48
  6. Step 6: Final answer
    x = 217,708.57

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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.