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Finding the Fourth Proportional to 556,332.80, 767,739.69 and 301,683.92

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Solution

The fourth proportional to 556,332.80, 767,739.69 and 301,683.92 is: 416,324.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,332.80 : 767,739.69 = 301,683.92 : x
  2. Step 2: Convert to fraction form
    556,332.80/767,739.69 = 301,683.92/x
  3. Step 3: Cross multiply
    556,332.80x = 767,739.69 × 301,683.92
  4. Step 4: Simplify right side
    556,332.80x = 231,614,717,710.37
  5. Step 5: Solve for x
    x = 231,614,717,710.37/556,332.80
  6. Step 6: Final answer
    x = 416,324.04

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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.