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Finding the Fourth Proportional to 736,608.73, 1,016,530.55 and 434,802.73

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Solution

The fourth proportional to 736,608.73, 1,016,530.55 and 434,802.73 is: 600,033.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,608.73 : 1,016,530.55 = 434,802.73 : x
  2. Step 2: Convert to fraction form
    736,608.73/1,016,530.55 = 434,802.73/x
  3. Step 3: Cross multiply
    736,608.73x = 1,016,530.55 × 434,802.73
  4. Step 4: Simplify right side
    736,608.73x = 441,990,258,268.40
  5. Step 5: Solve for x
    x = 441,990,258,268.40/736,608.73
  6. Step 6: Final answer
    x = 600,033.97

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Double scale
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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.