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Finding the Fourth Proportional to 646,703.60, 970,055.40 and 544,060.40

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Solution

The fourth proportional to 646,703.60, 970,055.40 and 544,060.40 is: 816,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,703.60 : 970,055.40 = 544,060.40 : x
  2. Step 2: Convert to fraction form
    646,703.60/970,055.40 = 544,060.40/x
  3. Step 3: Cross multiply
    646,703.60x = 970,055.40 × 544,060.40
  4. Step 4: Simplify right side
    646,703.60x = 527,768,728,946.16
  5. Step 5: Solve for x
    x = 527,768,728,946.16/646,703.60
  6. Step 6: Final answer
    x = 816,090.60

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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.