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Finding the Fourth Proportional to 767,809.80, 1,059,653.34 and 573,881.22

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Solution

The fourth proportional to 767,809.80, 1,059,653.34 and 573,881.22 is: 792,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,809.80 : 1,059,653.34 = 573,881.22 : x
  2. Step 2: Convert to fraction form
    767,809.80/1,059,653.34 = 573,881.22/x
  3. Step 3: Cross multiply
    767,809.80x = 1,059,653.34 × 573,881.22
  4. Step 4: Simplify right side
    767,809.80x = 608,115,151,536.28
  5. Step 5: Solve for x
    x = 608,115,151,536.28/767,809.80
  6. Step 6: Final answer
    x = 792,012.75

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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.