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Finding the Fourth Proportional to 437,155.84, 603,258.80 and 243,559

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Solution

The fourth proportional to 437,155.84, 603,258.80 and 243,559 is: 336,102.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,155.84 : 603,258.80 = 243,559 : x
  2. Step 2: Convert to fraction form
    437,155.84/603,258.80 = 243,559/x
  3. Step 3: Cross multiply
    437,155.84x = 603,258.80 × 243,559
  4. Step 4: Simplify right side
    437,155.84x = 146,929,110,069.20
  5. Step 5: Solve for x
    x = 146,929,110,069.20/437,155.84
  6. Step 6: Final answer
    x = 336,102.36

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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.