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Finding the Fourth Proportional to 446,417.71, 616,060.97 and 242,470.60

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Solution

The fourth proportional to 446,417.71, 616,060.97 and 242,470.60 is: 334,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,417.71 : 616,060.97 = 242,470.60 : x
  2. Step 2: Convert to fraction form
    446,417.71/616,060.97 = 242,470.60/x
  3. Step 3: Cross multiply
    446,417.71x = 616,060.97 × 242,470.60
  4. Step 4: Simplify right side
    446,417.71x = 149,376,673,032.48
  5. Step 5: Solve for x
    x = 149,376,673,032.48/446,417.71
  6. Step 6: Final answer
    x = 334,611.89

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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.