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Finding the Fourth Proportional to 556,350.42, 767,781.74 and 362,884.76

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Solution

The fourth proportional to 556,350.42, 767,781.74 and 362,884.76 is: 500,792.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,350.42 : 767,781.74 = 362,884.76 : x
  2. Step 2: Convert to fraction form
    556,350.42/767,781.74 = 362,884.76/x
  3. Step 3: Cross multiply
    556,350.42x = 767,781.74 × 362,884.76
  4. Step 4: Simplify right side
    556,350.42x = 278,616,290,358.54
  5. Step 5: Solve for x
    x = 278,616,290,358.54/556,350.42
  6. Step 6: Final answer
    x = 500,792.81

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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.