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Finding the Fourth Proportional to 526,018.66, 725,701.77 and 334,997.86

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Solution

The fourth proportional to 526,018.66, 725,701.77 and 334,997.86 is: 462,167.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,018.66 : 725,701.77 = 334,997.86 : x
  2. Step 2: Convert to fraction form
    526,018.66/725,701.77 = 334,997.86/x
  3. Step 3: Cross multiply
    526,018.66x = 725,701.77 × 334,997.86
  4. Step 4: Simplify right side
    526,018.66x = 243,108,539,948.21
  5. Step 5: Solve for x
    x = 243,108,539,948.21/526,018.66
  6. Step 6: Final answer
    x = 462,167.14

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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.