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Finding the Fourth Proportional to 371,271.60, 556,970.58 and 146,514.42

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Solution

The fourth proportional to 371,271.60, 556,970.58 and 146,514.42 is: 219,796.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,271.60 : 556,970.58 = 146,514.42 : x
  2. Step 2: Convert to fraction form
    371,271.60/556,970.58 = 146,514.42/x
  3. Step 3: Cross multiply
    371,271.60x = 556,970.58 × 146,514.42
  4. Step 4: Simplify right side
    371,271.60x = 81,604,221,485.76
  5. Step 5: Solve for x
    x = 81,604,221,485.76/371,271.60
  6. Step 6: Final answer
    x = 219,796.56

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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.