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Finding the Fourth Proportional to 560,159.39, 772,881.67 and 330,722.03

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Solution

The fourth proportional to 560,159.39, 772,881.67 and 330,722.03 is: 456,314.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,159.39 : 772,881.67 = 330,722.03 : x
  2. Step 2: Convert to fraction form
    560,159.39/772,881.67 = 330,722.03/x
  3. Step 3: Cross multiply
    560,159.39x = 772,881.67 × 330,722.03
  4. Step 4: Simplify right side
    560,159.39x = 255,608,994,852.19
  5. Step 5: Solve for x
    x = 255,608,994,852.19/560,159.39
  6. Step 6: Final answer
    x = 456,314.76

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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.