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Finding the Fourth Proportional to 438,038.37, 604,491.80 and 244,444.05

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Solution

The fourth proportional to 438,038.37, 604,491.80 and 244,444.05 is: 337,332.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,038.37 : 604,491.80 = 244,444.05 : x
  2. Step 2: Convert to fraction form
    438,038.37/604,491.80 = 244,444.05/x
  3. Step 3: Cross multiply
    438,038.37x = 604,491.80 × 244,444.05
  4. Step 4: Simplify right side
    438,038.37x = 147,764,422,561.57
  5. Step 5: Solve for x
    x = 147,764,422,561.57/438,038.37
  6. Step 6: Final answer
    x = 337,332.14

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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.