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Finding the Fourth Proportional to 482,613.83, 666,024.88 and 291,590.31

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Solution

The fourth proportional to 482,613.83, 666,024.88 and 291,590.31 is: 402,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,613.83 : 666,024.88 = 291,590.31 : x
  2. Step 2: Convert to fraction form
    482,613.83/666,024.88 = 291,590.31/x
  3. Step 3: Cross multiply
    482,613.83x = 666,024.88 × 291,590.31
  4. Step 4: Simplify right side
    482,613.83x = 194,206,403,542.26
  5. Step 5: Solve for x
    x = 194,206,403,542.26/482,613.83
  6. Step 6: Final answer
    x = 402,405.38

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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.