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Finding the Fourth Proportional to 446,501.70, 669,752.55 and 401,400.90

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Solution

The fourth proportional to 446,501.70, 669,752.55 and 401,400.90 is: 602,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,501.70 : 669,752.55 = 401,400.90 : x
  2. Step 2: Convert to fraction form
    446,501.70/669,752.55 = 401,400.90/x
  3. Step 3: Cross multiply
    446,501.70x = 669,752.55 × 401,400.90
  4. Step 4: Simplify right side
    446,501.70x = 268,839,276,347.30
  5. Step 5: Solve for x
    x = 268,839,276,347.30/446,501.70
  6. Step 6: Final answer
    x = 602,101.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.