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Finding the Fourth Proportional to 404,767.60, 607,151.40 and 286,572.40

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Solution

The fourth proportional to 404,767.60, 607,151.40 and 286,572.40 is: 429,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,767.60 : 607,151.40 = 286,572.40 : x
  2. Step 2: Convert to fraction form
    404,767.60/607,151.40 = 286,572.40/x
  3. Step 3: Cross multiply
    404,767.60x = 607,151.40 × 286,572.40
  4. Step 4: Simplify right side
    404,767.60x = 173,992,833,861.36
  5. Step 5: Solve for x
    x = 173,992,833,861.36/404,767.60
  6. Step 6: Final answer
    x = 429,858.60

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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.