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Finding the Fourth Proportional to 606,746.39, 909,837.99 and 354,099.59

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Solution

The fourth proportional to 606,746.39, 909,837.99 and 354,099.59 is: 530,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,746.39 : 909,837.99 = 354,099.59 : x
  2. Step 2: Convert to fraction form
    606,746.39/909,837.99 = 354,099.59/x
  3. Step 3: Cross multiply
    606,746.39x = 909,837.99 × 354,099.59
  4. Step 4: Simplify right side
    606,746.39x = 322,173,254,676.23
  5. Step 5: Solve for x
    x = 322,173,254,676.23/606,746.39
  6. Step 6: Final answer
    x = 530,985.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.