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Finding the Fourth Proportional to 556,395.30, 767,826.41 and 301,746.69

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Solution

The fourth proportional to 556,395.30, 767,826.41 and 301,746.69 is: 416,410.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,395.30 : 767,826.41 = 301,746.69 : x
  2. Step 2: Convert to fraction form
    556,395.30/767,826.41 = 301,746.69/x
  3. Step 3: Cross multiply
    556,395.30x = 767,826.41 × 301,746.69
  4. Step 4: Simplify right side
    556,395.30x = 231,689,076,203.35
  5. Step 5: Solve for x
    x = 231,689,076,203.35/556,395.30
  6. Step 6: Final answer
    x = 416,410.92

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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.