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Finding the Fourth Proportional to 418,144.26, 624,056.47 and 377,788.06

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Solution

The fourth proportional to 418,144.26, 624,056.47 and 377,788.06 is: 563,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,144.26 : 624,056.47 = 377,788.06 : x
  2. Step 2: Convert to fraction form
    418,144.26/624,056.47 = 377,788.06/x
  3. Step 3: Cross multiply
    418,144.26x = 624,056.47 × 377,788.06
  4. Step 4: Simplify right side
    418,144.26x = 235,761,081,242.81
  5. Step 5: Solve for x
    x = 235,761,081,242.81/418,144.26
  6. Step 6: Final answer
    x = 563,827.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.