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Finding the Fourth Proportional to 556,065.52, 767,370.96 and 301,416.64

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Solution

The fourth proportional to 556,065.52, 767,370.96 and 301,416.64 is: 415,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,065.52 : 767,370.96 = 301,416.64 : x
  2. Step 2: Convert to fraction form
    556,065.52/767,370.96 = 301,416.64/x
  3. Step 3: Cross multiply
    556,065.52x = 767,370.96 × 301,416.64
  4. Step 4: Simplify right side
    556,065.52x = 231,298,376,396.77
  5. Step 5: Solve for x
    x = 231,298,376,396.77/556,065.52
  6. Step 6: Final answer
    x = 415,955.26

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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.