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Finding the Fourth Proportional to 382,845.98, 570,340.18 and 365,574.15

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Solution

The fourth proportional to 382,845.98, 570,340.18 and 365,574.15 is: 544,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,845.98 : 570,340.18 = 365,574.15 : x
  2. Step 2: Convert to fraction form
    382,845.98/570,340.18 = 365,574.15/x
  3. Step 3: Cross multiply
    382,845.98x = 570,340.18 × 365,574.15
  4. Step 4: Simplify right side
    382,845.98x = 208,501,626,514.35
  5. Step 5: Solve for x
    x = 208,501,626,514.35/382,845.98
  6. Step 6: Final answer
    x = 544,609.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.