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Finding the Fourth Proportional to 603,975.01, 905,962.70 and 177,510.91

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Solution

The fourth proportional to 603,975.01, 905,962.70 and 177,510.91 is: 266,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,975.01 : 905,962.70 = 177,510.91 : x
  2. Step 2: Convert to fraction form
    603,975.01/905,962.70 = 177,510.91/x
  3. Step 3: Cross multiply
    603,975.01x = 905,962.70 × 177,510.91
  4. Step 4: Simplify right side
    603,975.01x = 160,818,263,303.06
  5. Step 5: Solve for x
    x = 160,818,263,303.06/603,975.01
  6. Step 6: Final answer
    x = 266,266.42

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Double scale
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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.