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Finding the Fourth Proportional to 261,151.00, 358,041.32 and 256,427.08

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Solution

The fourth proportional to 261,151.00, 358,041.32 and 256,427.08 is: 351,564.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,151.00 : 358,041.32 = 256,427.08 : x
  2. Step 2: Convert to fraction form
    261,151.00/358,041.32 = 256,427.08/x
  3. Step 3: Cross multiply
    261,151.00x = 358,041.32 × 256,427.08
  4. Step 4: Simplify right side
    261,151.00x = 91,811,487,134.60
  5. Step 5: Solve for x
    x = 91,811,487,134.60/261,151.00
  6. Step 6: Final answer
    x = 351,564.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.