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Finding the Fourth Proportional to 255,312.68, 352,483.47 and 226,936.35

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Solution

The fourth proportional to 255,312.68, 352,483.47 and 226,936.35 is: 313,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,312.68 : 352,483.47 = 226,936.35 : x
  2. Step 2: Convert to fraction form
    255,312.68/352,483.47 = 226,936.35/x
  3. Step 3: Cross multiply
    255,312.68x = 352,483.47 × 226,936.35
  4. Step 4: Simplify right side
    255,312.68x = 79,991,312,117.13
  5. Step 5: Solve for x
    x = 79,991,312,117.13/255,312.68
  6. Step 6: Final answer
    x = 313,307.25

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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.