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Finding the Fourth Proportional to 556,256.76, 767,626.92 and 301,602.48

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Solution

The fourth proportional to 556,256.76, 767,626.92 and 301,602.48 is: 416,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,256.76 : 767,626.92 = 301,602.48 : x
  2. Step 2: Convert to fraction form
    556,256.76/767,626.92 = 301,602.48/x
  3. Step 3: Cross multiply
    556,256.76x = 767,626.92 × 301,602.48
  4. Step 4: Simplify right side
    556,256.76x = 231,518,182,786.76
  5. Step 5: Solve for x
    x = 231,518,182,786.76/556,256.76
  6. Step 6: Final answer
    x = 416,207.41

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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.