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Finding the Fourth Proportional to 440,002.03, 607,203.05 and 238,798.03

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Solution

The fourth proportional to 440,002.03, 607,203.05 and 238,798.03 is: 329,541.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,002.03 : 607,203.05 = 238,798.03 : x
  2. Step 2: Convert to fraction form
    440,002.03/607,203.05 = 238,798.03/x
  3. Step 3: Cross multiply
    440,002.03x = 607,203.05 × 238,798.03
  4. Step 4: Simplify right side
    440,002.03x = 144,998,889,437.99
  5. Step 5: Solve for x
    x = 144,998,889,437.99/440,002.03
  6. Step 6: Final answer
    x = 329,541.41

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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.