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Finding the Fourth Proportional to 482,430.94, 665,318.91 and 301,159.62

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Solution

The fourth proportional to 482,430.94, 665,318.91 and 301,159.62 is: 415,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,430.94 : 665,318.91 = 301,159.62 : x
  2. Step 2: Convert to fraction form
    482,430.94/665,318.91 = 301,159.62/x
  3. Step 3: Cross multiply
    482,430.94x = 665,318.91 × 301,159.62
  4. Step 4: Simplify right side
    482,430.94x = 200,367,191,243.76
  5. Step 5: Solve for x
    x = 200,367,191,243.76/482,430.94
  6. Step 6: Final answer
    x = 415,328.24

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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.