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Finding the Fourth Proportional to 437,362.71, 603,354.18 and 255,962.25

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Solution

The fourth proportional to 437,362.71, 603,354.18 and 255,962.25 is: 353,107.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,362.71 : 603,354.18 = 255,962.25 : x
  2. Step 2: Convert to fraction form
    437,362.71/603,354.18 = 255,962.25/x
  3. Step 3: Cross multiply
    437,362.71x = 603,354.18 × 255,962.25
  4. Step 4: Simplify right side
    437,362.71x = 154,435,893,459.71
  5. Step 5: Solve for x
    x = 154,435,893,459.71/437,362.71
  6. Step 6: Final answer
    x = 353,107.13

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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.