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Finding the Fourth Proportional to 417,062, 575,542.32 and 226,070.48

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Solution

The fourth proportional to 417,062, 575,542.32 and 226,070.48 is: 311,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,062 : 575,542.32 = 226,070.48 : x
  2. Step 2: Convert to fraction form
    417,062/575,542.32 = 226,070.48/x
  3. Step 3: Cross multiply
    417,062x = 575,542.32 × 226,070.48
  4. Step 4: Simplify right side
    417,062x = 130,113,128,542.71
  5. Step 5: Solve for x
    x = 130,113,128,542.71/417,062
  6. Step 6: Final answer
    x = 311,975.51

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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.