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Finding the Fourth Proportional to 700,058.56, 966,153.36 and 428,307.52

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Solution

The fourth proportional to 700,058.56, 966,153.36 and 428,307.52 is: 591,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,058.56 : 966,153.36 = 428,307.52 : x
  2. Step 2: Convert to fraction form
    700,058.56/966,153.36 = 428,307.52/x
  3. Step 3: Cross multiply
    700,058.56x = 966,153.36 × 428,307.52
  4. Step 4: Simplify right side
    700,058.56x = 413,810,749,561.27
  5. Step 5: Solve for x
    x = 413,810,749,561.27/700,058.56
  6. Step 6: Final answer
    x = 591,108.76

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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.