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Finding the Fourth Proportional to 437,334.40, 656,001.60 and 400,009.60

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Solution

The fourth proportional to 437,334.40, 656,001.60 and 400,009.60 is: 600,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,334.40 : 656,001.60 = 400,009.60 : x
  2. Step 2: Convert to fraction form
    437,334.40/656,001.60 = 400,009.60/x
  3. Step 3: Cross multiply
    437,334.40x = 656,001.60 × 400,009.60
  4. Step 4: Simplify right side
    437,334.40x = 262,406,937,615.36
  5. Step 5: Solve for x
    x = 262,406,937,615.36/437,334.40
  6. Step 6: Final answer
    x = 600,014.40

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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.