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Finding the Fourth Proportional to 671,842.16, 927,142.19 and 370,036.16

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Solution

The fourth proportional to 671,842.16, 927,142.19 and 370,036.16 is: 510,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,842.16 : 927,142.19 = 370,036.16 : x
  2. Step 2: Convert to fraction form
    671,842.16/927,142.19 = 370,036.16/x
  3. Step 3: Cross multiply
    671,842.16x = 927,142.19 × 370,036.16
  4. Step 4: Simplify right side
    671,842.16x = 343,076,135,761.59
  5. Step 5: Solve for x
    x = 343,076,135,761.59/671,842.16
  6. Step 6: Final answer
    x = 510,649.91

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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.