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Finding the Fourth Proportional to 361,473.21, 498,886.83 and 208,482.84

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Solution

The fourth proportional to 361,473.21, 498,886.83 and 208,482.84 is: 287,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,473.21 : 498,886.83 = 208,482.84 : x
  2. Step 2: Convert to fraction form
    361,473.21/498,886.83 = 208,482.84/x
  3. Step 3: Cross multiply
    361,473.21x = 498,886.83 × 208,482.84
  4. Step 4: Simplify right side
    361,473.21x = 104,009,343,157.00
  5. Step 5: Solve for x
    x = 104,009,343,157.00/361,473.21
  6. Step 6: Final answer
    x = 287,737.35

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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.