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Finding the Fourth Proportional to 407,641.56, 562,526.58 and 226,365.04

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Solution

The fourth proportional to 407,641.56, 562,526.58 and 226,365.04 is: 312,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,641.56 : 562,526.58 = 226,365.04 : x
  2. Step 2: Convert to fraction form
    407,641.56/562,526.58 = 226,365.04/x
  3. Step 3: Cross multiply
    407,641.56x = 562,526.58 × 226,365.04
  4. Step 4: Simplify right side
    407,641.56x = 127,336,351,782.76
  5. Step 5: Solve for x
    x = 127,336,351,782.76/407,641.56
  6. Step 6: Final answer
    x = 312,373.33

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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.