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Finding the Fourth Proportional to 401,510.01, 554,130.09 and 240,365.01

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Solution

The fourth proportional to 401,510.01, 554,130.09 and 240,365.01 is: 331,731.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,510.01 : 554,130.09 = 240,365.01 : x
  2. Step 2: Convert to fraction form
    401,510.01/554,130.09 = 240,365.01/x
  3. Step 3: Cross multiply
    401,510.01x = 554,130.09 × 240,365.01
  4. Step 4: Simplify right side
    401,510.01x = 133,193,484,624.15
  5. Step 5: Solve for x
    x = 133,193,484,624.15/401,510.01
  6. Step 6: Final answer
    x = 331,731.42

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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.