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Finding the Fourth Proportional to 346,232.96, 477,673.44 and 255,806.72

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Solution

The fourth proportional to 346,232.96, 477,673.44 and 255,806.72 is: 352,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,232.96 : 477,673.44 = 255,806.72 : x
  2. Step 2: Convert to fraction form
    346,232.96/477,673.44 = 255,806.72/x
  3. Step 3: Cross multiply
    346,232.96x = 477,673.44 × 255,806.72
  4. Step 4: Simplify right side
    346,232.96x = 122,192,075,917.52
  5. Step 5: Solve for x
    x = 122,192,075,917.52/346,232.96
  6. Step 6: Final answer
    x = 352,918.67

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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.