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Finding the Fourth Proportional to 464,746.80, 697,120.20 and 149,235.60

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Solution

The fourth proportional to 464,746.80, 697,120.20 and 149,235.60 is: 223,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,746.80 : 697,120.20 = 149,235.60 : x
  2. Step 2: Convert to fraction form
    464,746.80/697,120.20 = 149,235.60/x
  3. Step 3: Cross multiply
    464,746.80x = 697,120.20 × 149,235.60
  4. Step 4: Simplify right side
    464,746.80x = 104,035,151,319.12
  5. Step 5: Solve for x
    x = 104,035,151,319.12/464,746.80
  6. Step 6: Final answer
    x = 223,853.40

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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.