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Finding the Fourth Proportional to 501,714.86, 692,368.32 and 272,272.10

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Solution

The fourth proportional to 501,714.86, 692,368.32 and 272,272.10 is: 375,736.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,714.86 : 692,368.32 = 272,272.10 : x
  2. Step 2: Convert to fraction form
    501,714.86/692,368.32 = 272,272.10/x
  3. Step 3: Cross multiply
    501,714.86x = 692,368.32 × 272,272.10
  4. Step 4: Simplify right side
    501,714.86x = 188,512,572,998.03
  5. Step 5: Solve for x
    x = 188,512,572,998.03/501,714.86
  6. Step 6: Final answer
    x = 375,736.48

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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.