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Finding the Fourth Proportional to 417,030.39, 575,503.17 and 226,044.54

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Solution

The fourth proportional to 417,030.39, 575,503.17 and 226,044.54 is: 311,942.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,030.39 : 575,503.17 = 226,044.54 : x
  2. Step 2: Convert to fraction form
    417,030.39/575,503.17 = 226,044.54/x
  3. Step 3: Cross multiply
    417,030.39x = 575,503.17 × 226,044.54
  4. Step 4: Simplify right side
    417,030.39x = 130,089,349,331.19
  5. Step 5: Solve for x
    x = 130,089,349,331.19/417,030.39
  6. Step 6: Final answer
    x = 311,942.13

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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.