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Finding the Fourth Proportional to 406,326.94, 607,019.38 and 263,004.59

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Solution

The fourth proportional to 406,326.94, 607,019.38 and 263,004.59 is: 392,907.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,326.94 : 607,019.38 = 263,004.59 : x
  2. Step 2: Convert to fraction form
    406,326.94/607,019.38 = 263,004.59/x
  3. Step 3: Cross multiply
    406,326.94x = 607,019.38 × 263,004.59
  4. Step 4: Simplify right side
    406,326.94x = 159,648,884,018.99
  5. Step 5: Solve for x
    x = 159,648,884,018.99/406,326.94
  6. Step 6: Final answer
    x = 392,907.46

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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.