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Finding the Fourth Proportional to 404,576.30, 557,999.80 and 259,395.95

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Solution

The fourth proportional to 404,576.30, 557,999.80 and 259,395.95 is: 357,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,576.30 : 557,999.80 = 259,395.95 : x
  2. Step 2: Convert to fraction form
    404,576.30/557,999.80 = 259,395.95/x
  3. Step 3: Cross multiply
    404,576.30x = 557,999.80 × 259,395.95
  4. Step 4: Simplify right side
    404,576.30x = 144,742,885,430.81
  5. Step 5: Solve for x
    x = 144,742,885,430.81/404,576.30
  6. Step 6: Final answer
    x = 357,764.13

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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.