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Finding the Fourth Proportional to 556,069.19, 767,354.90 and 301,414.91

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Solution

The fourth proportional to 556,069.19, 767,354.90 and 301,414.91 is: 415,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,069.19 : 767,354.90 = 301,414.91 : x
  2. Step 2: Convert to fraction form
    556,069.19/767,354.90 = 301,414.91/x
  3. Step 3: Cross multiply
    556,069.19x = 767,354.90 × 301,414.91
  4. Step 4: Simplify right side
    556,069.19x = 231,292,202,777.71
  5. Step 5: Solve for x
    x = 231,292,202,777.71/556,069.19
  6. Step 6: Final answer
    x = 415,941.41

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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.