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Finding the Fourth Proportional to 842,756.92, 1,163,004.42 and 460,783.60

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Solution

The fourth proportional to 842,756.92, 1,163,004.42 and 460,783.60 is: 635,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,756.92 : 1,163,004.42 = 460,783.60 : x
  2. Step 2: Convert to fraction form
    842,756.92/1,163,004.42 = 460,783.60/x
  3. Step 3: Cross multiply
    842,756.92x = 1,163,004.42 × 460,783.60
  4. Step 4: Simplify right side
    842,756.92x = 535,893,363,463.51
  5. Step 5: Solve for x
    x = 535,893,363,463.51/842,756.92
  6. Step 6: Final answer
    x = 635,881.30

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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.