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Finding the Fourth Proportional to 333,695.40, 500,543.10 and 270,709.80

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Solution

The fourth proportional to 333,695.40, 500,543.10 and 270,709.80 is: 406,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,695.40 : 500,543.10 = 270,709.80 : x
  2. Step 2: Convert to fraction form
    333,695.40/500,543.10 = 270,709.80/x
  3. Step 3: Cross multiply
    333,695.40x = 500,543.10 × 270,709.80
  4. Step 4: Simplify right side
    333,695.40x = 135,501,922,492.38
  5. Step 5: Solve for x
    x = 135,501,922,492.38/333,695.40
  6. Step 6: Final answer
    x = 406,064.70

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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.