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Finding the Fourth Proportional to 535,519.35, 804,591.23 and 402,659.10

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Solution

The fourth proportional to 535,519.35, 804,591.23 and 402,659.10 is: 604,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,519.35 : 804,591.23 = 402,659.10 : x
  2. Step 2: Convert to fraction form
    535,519.35/804,591.23 = 402,659.10/x
  3. Step 3: Cross multiply
    535,519.35x = 804,591.23 × 402,659.10
  4. Step 4: Simplify right side
    535,519.35x = 323,975,980,539.69
  5. Step 5: Solve for x
    x = 323,975,980,539.69/535,519.35
  6. Step 6: Final answer
    x = 604,975.30

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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.