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Finding the Fourth Proportional to 606,495.96, 838,071.54 and 519,264.90

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Solution

The fourth proportional to 606,495.96, 838,071.54 and 519,264.90 is: 717,533.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,495.96 : 838,071.54 = 519,264.90 : x
  2. Step 2: Convert to fraction form
    606,495.96/838,071.54 = 519,264.90/x
  3. Step 3: Cross multiply
    606,495.96x = 838,071.54 × 519,264.90
  4. Step 4: Simplify right side
    606,495.96x = 435,181,134,410.95
  5. Step 5: Solve for x
    x = 435,181,134,410.95/606,495.96
  6. Step 6: Final answer
    x = 717,533.44

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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.