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Finding the Fourth Proportional to 584,245.48, 806,259.30 and 315,973.48

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Solution

The fourth proportional to 584,245.48, 806,259.30 and 315,973.48 is: 436,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,245.48 : 806,259.30 = 315,973.48 : x
  2. Step 2: Convert to fraction form
    584,245.48/806,259.30 = 315,973.48/x
  3. Step 3: Cross multiply
    584,245.48x = 806,259.30 × 315,973.48
  4. Step 4: Simplify right side
    584,245.48x = 254,756,556,803.36
  5. Step 5: Solve for x
    x = 254,756,556,803.36/584,245.48
  6. Step 6: Final answer
    x = 436,043.69

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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.