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Finding the Fourth Proportional to 530,071.80, 729,652.35 and 461,971.71

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Solution

The fourth proportional to 530,071.80, 729,652.35 and 461,971.71 is: 635,911.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,071.80 : 729,652.35 = 461,971.71 : x
  2. Step 2: Convert to fraction form
    530,071.80/729,652.35 = 461,971.71/x
  3. Step 3: Cross multiply
    530,071.80x = 729,652.35 × 461,971.71
  4. Step 4: Simplify right side
    530,071.80x = 337,078,743,835.02
  5. Step 5: Solve for x
    x = 337,078,743,835.02/530,071.80
  6. Step 6: Final answer
    x = 635,911.48

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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.