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Finding the Fourth Proportional to 560,273.65, 773,176.73 and 305,624.83

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Solution

The fourth proportional to 560,273.65, 773,176.73 and 305,624.83 is: 421,761.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,273.65 : 773,176.73 = 305,624.83 : x
  2. Step 2: Convert to fraction form
    560,273.65/773,176.73 = 305,624.83/x
  3. Step 3: Cross multiply
    560,273.65x = 773,176.73 × 305,624.83
  4. Step 4: Simplify right side
    560,273.65x = 236,302,006,666.21
  5. Step 5: Solve for x
    x = 236,302,006,666.21/560,273.65
  6. Step 6: Final answer
    x = 421,761.77

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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.