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Finding the Fourth Proportional to 539,616.88, 745,333.60 and 404,256.16

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Solution

The fourth proportional to 539,616.88, 745,333.60 and 404,256.16 is: 558,369.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,616.88 : 745,333.60 = 404,256.16 : x
  2. Step 2: Convert to fraction form
    539,616.88/745,333.60 = 404,256.16/x
  3. Step 3: Cross multiply
    539,616.88x = 745,333.60 × 404,256.16
  4. Step 4: Simplify right side
    539,616.88x = 301,305,699,054.98
  5. Step 5: Solve for x
    x = 301,305,699,054.98/539,616.88
  6. Step 6: Final answer
    x = 558,369.67

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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.