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Finding the Fourth Proportional to 556,098.40, 767,421.26 and 301,448.96

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Solution

The fourth proportional to 556,098.40, 767,421.26 and 301,448.96 is: 416,002.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,098.40 : 767,421.26 = 301,448.96 : x
  2. Step 2: Convert to fraction form
    556,098.40/767,421.26 = 301,448.96/x
  3. Step 3: Cross multiply
    556,098.40x = 767,421.26 × 301,448.96
  4. Step 4: Simplify right side
    556,098.40x = 231,338,340,708.89
  5. Step 5: Solve for x
    x = 231,338,340,708.89/556,098.40
  6. Step 6: Final answer
    x = 416,002.53

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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.