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Finding the Fourth Proportional to 530,725.82, 732,394.41 and 301,281.12

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Solution

The fourth proportional to 530,725.82, 732,394.41 and 301,281.12 is: 415,763.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,725.82 : 732,394.41 = 301,281.12 : x
  2. Step 2: Convert to fraction form
    530,725.82/732,394.41 = 301,281.12/x
  3. Step 3: Cross multiply
    530,725.82x = 732,394.41 × 301,281.12
  4. Step 4: Simplify right side
    530,725.82x = 220,656,606,996.74
  5. Step 5: Solve for x
    x = 220,656,606,996.74/530,725.82
  6. Step 6: Final answer
    x = 415,763.84

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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.