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Finding the Fourth Proportional to 526,019.66, 725,703.15 and 334,998.86

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Solution

The fourth proportional to 526,019.66, 725,703.15 and 334,998.86 is: 462,168.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,019.66 : 725,703.15 = 334,998.86 : x
  2. Step 2: Convert to fraction form
    526,019.66/725,703.15 = 334,998.86/x
  3. Step 3: Cross multiply
    526,019.66x = 725,703.15 × 334,998.86
  4. Step 4: Simplify right side
    526,019.66x = 243,109,727,948.41
  5. Step 5: Solve for x
    x = 243,109,727,948.41/526,019.66
  6. Step 6: Final answer
    x = 462,168.52

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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.