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Finding the Fourth Proportional to 359,364.96, 539,011.58 and 146,145.44

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Solution

The fourth proportional to 359,364.96, 539,011.58 and 146,145.44 is: 219,203.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,364.96 : 539,011.58 = 146,145.44 : x
  2. Step 2: Convert to fraction form
    359,364.96/539,011.58 = 146,145.44/x
  3. Step 3: Cross multiply
    359,364.96x = 539,011.58 × 146,145.44
  4. Step 4: Simplify right side
    359,364.96x = 78,774,085,141.00
  5. Step 5: Solve for x
    x = 78,774,085,141.00/359,364.96
  6. Step 6: Final answer
    x = 219,203.58

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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.