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Finding the Fourth Proportional to 614,454.22, 847,599.52 and 384,612.54

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Solution

The fourth proportional to 614,454.22, 847,599.52 and 384,612.54 is: 530,547.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,454.22 : 847,599.52 = 384,612.54 : x
  2. Step 2: Convert to fraction form
    614,454.22/847,599.52 = 384,612.54/x
  3. Step 3: Cross multiply
    614,454.22x = 847,599.52 × 384,612.54
  4. Step 4: Simplify right side
    614,454.22x = 325,997,404,289.98
  5. Step 5: Solve for x
    x = 325,997,404,289.98/614,454.22
  6. Step 6: Final answer
    x = 530,547.91

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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.