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Finding the Fourth Proportional to 426,430.41, 587,773.16 and 302,293.69

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Solution

The fourth proportional to 426,430.41, 587,773.16 and 302,293.69 is: 416,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,430.41 : 587,773.16 = 302,293.69 : x
  2. Step 2: Convert to fraction form
    426,430.41/587,773.16 = 302,293.69/x
  3. Step 3: Cross multiply
    426,430.41x = 587,773.16 × 302,293.69
  4. Step 4: Simplify right side
    426,430.41x = 177,680,115,572.06
  5. Step 5: Solve for x
    x = 177,680,115,572.06/426,430.41
  6. Step 6: Final answer
    x = 416,668.49

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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.