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Finding the Fourth Proportional to 531,973.20, 797,959.80 and 176,998.80

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Solution

The fourth proportional to 531,973.20, 797,959.80 and 176,998.80 is: 265,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,973.20 : 797,959.80 = 176,998.80 : x
  2. Step 2: Convert to fraction form
    531,973.20/797,959.80 = 176,998.80/x
  3. Step 3: Cross multiply
    531,973.20x = 797,959.80 × 176,998.80
  4. Step 4: Simplify right side
    531,973.20x = 141,237,927,048.24
  5. Step 5: Solve for x
    x = 141,237,927,048.24/531,973.20
  6. Step 6: Final answer
    x = 265,498.20

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Double scale
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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.