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Finding the Fourth Proportional to 561,726.69, 775,588.73 and 347,160.93

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Solution

The fourth proportional to 561,726.69, 775,588.73 and 347,160.93 is: 479,332.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,726.69 : 775,588.73 = 347,160.93 : x
  2. Step 2: Convert to fraction form
    561,726.69/775,588.73 = 347,160.93/x
  3. Step 3: Cross multiply
    561,726.69x = 775,588.73 × 347,160.93
  4. Step 4: Simplify right side
    561,726.69x = 269,254,104,804.32
  5. Step 5: Solve for x
    x = 269,254,104,804.32/561,726.69
  6. Step 6: Final answer
    x = 479,332.94

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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.