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Finding the Fourth Proportional to 346,653, 520,023.24 and 118,992.98

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Solution

The fourth proportional to 346,653, 520,023.24 and 118,992.98 is: 178,504.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,653 : 520,023.24 = 118,992.98 : x
  2. Step 2: Convert to fraction form
    346,653/520,023.24 = 118,992.98/x
  3. Step 3: Cross multiply
    346,653x = 520,023.24 × 118,992.98
  4. Step 4: Simplify right side
    346,653x = 61,879,116,296.91
  5. Step 5: Solve for x
    x = 61,879,116,296.91/346,653
  6. Step 6: Final answer
    x = 178,504.49

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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.