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Finding the Fourth Proportional to 590,596.40, 814,739.64 and 386,557.52

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Solution

The fourth proportional to 590,596.40, 814,739.64 and 386,557.52 is: 533,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,596.40 : 814,739.64 = 386,557.52 : x
  2. Step 2: Convert to fraction form
    590,596.40/814,739.64 = 386,557.52/x
  3. Step 3: Cross multiply
    590,596.40x = 814,739.64 × 386,557.52
  4. Step 4: Simplify right side
    590,596.40x = 314,943,734,684.09
  5. Step 5: Solve for x
    x = 314,943,734,684.09/590,596.40
  6. Step 6: Final answer
    x = 533,263.89

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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.