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Finding the Fourth Proportional to 472,158.55, 708,375.73 and 152,303.34

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Solution

The fourth proportional to 472,158.55, 708,375.73 and 152,303.34 is: 228,499.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,158.55 : 708,375.73 = 152,303.34 : x
  2. Step 2: Convert to fraction form
    472,158.55/708,375.73 = 152,303.34/x
  3. Step 3: Cross multiply
    472,158.55x = 708,375.73 × 152,303.34
  4. Step 4: Simplify right side
    472,158.55x = 107,887,989,653.94
  5. Step 5: Solve for x
    x = 107,887,989,653.94/472,158.55
  6. Step 6: Final answer
    x = 228,499.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.