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Finding the Fourth Proportional to 472,349, 708,520.86 and 117,362.86

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Solution

The fourth proportional to 472,349, 708,520.86 and 117,362.86 is: 176,043.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,349 : 708,520.86 = 117,362.86 : x
  2. Step 2: Convert to fraction form
    472,349/708,520.86 = 117,362.86/x
  3. Step 3: Cross multiply
    472,349x = 708,520.86 × 117,362.86
  4. Step 4: Simplify right side
    472,349x = 83,154,034,499.26
  5. Step 5: Solve for x
    x = 83,154,034,499.26/472,349
  6. Step 6: Final answer
    x = 176,043.63

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1.5x scale

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.