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Finding the Fourth Proportional to 644,301.40, 888,503.10 and 593,444.44

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Solution

The fourth proportional to 644,301.40, 888,503.10 and 593,444.44 is: 818,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,301.40 : 888,503.10 = 593,444.44 : x
  2. Step 2: Convert to fraction form
    644,301.40/888,503.10 = 593,444.44/x
  3. Step 3: Cross multiply
    644,301.40x = 888,503.10 × 593,444.44
  4. Step 4: Simplify right side
    644,301.40x = 527,277,224,617.76
  5. Step 5: Solve for x
    x = 527,277,224,617.76/644,301.40
  6. Step 6: Final answer
    x = 818,370.45

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Double scale
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Similar ratio
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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.