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Finding the Fourth Proportional to 556,597.55, 768,106.08 and 301,948.74

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Solution

The fourth proportional to 556,597.55, 768,106.08 and 301,948.74 is: 416,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,597.55 : 768,106.08 = 301,948.74 : x
  2. Step 2: Convert to fraction form
    556,597.55/768,106.08 = 301,948.74/x
  3. Step 3: Cross multiply
    556,597.55x = 768,106.08 × 301,948.74
  4. Step 4: Simplify right side
    556,597.55x = 231,928,663,042.34
  5. Step 5: Solve for x
    x = 231,928,663,042.34/556,597.55
  6. Step 6: Final answer
    x = 416,690.05

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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.