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Finding the Fourth Proportional to 417,019.21, 575,487.12 and 226,032.55

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Solution

The fourth proportional to 417,019.21, 575,487.12 and 226,032.55 is: 311,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,019.21 : 575,487.12 = 226,032.55 : x
  2. Step 2: Convert to fraction form
    417,019.21/575,487.12 = 226,032.55/x
  3. Step 3: Cross multiply
    417,019.21x = 575,487.12 × 226,032.55
  4. Step 4: Simplify right side
    417,019.21x = 130,078,821,225.76
  5. Step 5: Solve for x
    x = 130,078,821,225.76/417,019.21
  6. Step 6: Final answer
    x = 311,925.25

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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.