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Finding the Fourth Proportional to 570,230.63, 787,114.97 and 328,609.51

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Solution

The fourth proportional to 570,230.63, 787,114.97 and 328,609.51 is: 453,594.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,230.63 : 787,114.97 = 328,609.51 : x
  2. Step 2: Convert to fraction form
    570,230.63/787,114.97 = 328,609.51/x
  3. Step 3: Cross multiply
    570,230.63x = 787,114.97 × 328,609.51
  4. Step 4: Simplify right side
    570,230.63x = 258,653,462,226.82
  5. Step 5: Solve for x
    x = 258,653,462,226.82/570,230.63
  6. Step 6: Final answer
    x = 453,594.47

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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.