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Finding the Fourth Proportional to 963,994.93, 1,330,009 and 556,042.08

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Solution

The fourth proportional to 963,994.93, 1,330,009 and 556,042.08 is: 767,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,994.93 : 1,330,009 = 556,042.08 : x
  2. Step 2: Convert to fraction form
    963,994.93/1,330,009 = 556,042.08/x
  3. Step 3: Cross multiply
    963,994.93x = 1,330,009 × 556,042.08
  4. Step 4: Simplify right side
    963,994.93x = 739,540,970,778.72
  5. Step 5: Solve for x
    x = 739,540,970,778.72/963,994.93
  6. Step 6: Final answer
    x = 767,162.72

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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.