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Finding the Fourth Proportional to 675,004.38, 931,471.83 and 373,140.06

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Solution

The fourth proportional to 675,004.38, 931,471.83 and 373,140.06 is: 514,914.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,004.38 : 931,471.83 = 373,140.06 : x
  2. Step 2: Convert to fraction form
    675,004.38/931,471.83 = 373,140.06/x
  3. Step 3: Cross multiply
    675,004.38x = 931,471.83 × 373,140.06
  4. Step 4: Simplify right side
    675,004.38x = 347,569,454,534.51
  5. Step 5: Solve for x
    x = 347,569,454,534.51/675,004.38
  6. Step 6: Final answer
    x = 514,914.37

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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.