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Finding the Fourth Proportional to 585,347.22, 807,777.36 and 330,698.34

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Solution

The fourth proportional to 585,347.22, 807,777.36 and 330,698.34 is: 456,362.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,347.22 : 807,777.36 = 330,698.34 : x
  2. Step 2: Convert to fraction form
    585,347.22/807,777.36 = 330,698.34/x
  3. Step 3: Cross multiply
    585,347.22x = 807,777.36 × 330,698.34
  4. Step 4: Simplify right side
    585,347.22x = 267,130,632,041.58
  5. Step 5: Solve for x
    x = 267,130,632,041.58/585,347.22
  6. Step 6: Final answer
    x = 456,362.69

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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.