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Finding the Fourth Proportional to 472,465.30, 708,697.95 and 156,922.22

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Solution

The fourth proportional to 472,465.30, 708,697.95 and 156,922.22 is: 235,383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,465.30 : 708,697.95 = 156,922.22 : x
  2. Step 2: Convert to fraction form
    472,465.30/708,697.95 = 156,922.22/x
  3. Step 3: Cross multiply
    472,465.30x = 708,697.95 × 156,922.22
  4. Step 4: Simplify right side
    472,465.30x = 111,210,455,623.45
  5. Step 5: Solve for x
    x = 111,210,455,623.45/472,465.30
  6. Step 6: Final answer
    x = 235,383.33

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Double scale
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Similar ratio
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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.