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Finding the Fourth Proportional to 556,323.22, 767,712.45 and 301,667.86

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Solution

The fourth proportional to 556,323.22, 767,712.45 and 301,667.86 is: 416,294.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,323.22 : 767,712.45 = 301,667.86 : x
  2. Step 2: Convert to fraction form
    556,323.22/767,712.45 = 301,667.86/x
  3. Step 3: Cross multiply
    556,323.22x = 767,712.45 × 301,667.86
  4. Step 4: Simplify right side
    556,323.22x = 231,594,171,886.86
  5. Step 5: Solve for x
    x = 231,594,171,886.86/556,323.22
  6. Step 6: Final answer
    x = 416,294.28

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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.