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Finding the Fourth Proportional to 417,004.34, 575,459.73 and 235,709.89

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Solution

The fourth proportional to 417,004.34, 575,459.73 and 235,709.89 is: 325,276.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,004.34 : 575,459.73 = 235,709.89 : x
  2. Step 2: Convert to fraction form
    417,004.34/575,459.73 = 235,709.89/x
  3. Step 3: Cross multiply
    417,004.34x = 575,459.73 × 235,709.89
  4. Step 4: Simplify right side
    417,004.34x = 135,641,548,219.08
  5. Step 5: Solve for x
    x = 135,641,548,219.08/417,004.34
  6. Step 6: Final answer
    x = 325,276.11

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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.