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Finding the Fourth Proportional to 475,775.25, 656,509.50 and 260,858.76

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Solution

The fourth proportional to 475,775.25, 656,509.50 and 260,858.76 is: 359,952.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,775.25 : 656,509.50 = 260,858.76 : x
  2. Step 2: Convert to fraction form
    475,775.25/656,509.50 = 260,858.76/x
  3. Step 3: Cross multiply
    475,775.25x = 656,509.50 × 260,858.76
  4. Step 4: Simplify right side
    475,775.25x = 171,256,254,098.22
  5. Step 5: Solve for x
    x = 171,256,254,098.22/475,775.25
  6. Step 6: Final answer
    x = 359,952.00

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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.