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Finding the Fourth Proportional to 601,386.23, 901,119.78 and 440,717.60

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Solution

The fourth proportional to 601,386.23, 901,119.78 and 440,717.60 is: 660,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,386.23 : 901,119.78 = 440,717.60 : x
  2. Step 2: Convert to fraction form
    601,386.23/901,119.78 = 440,717.60/x
  3. Step 3: Cross multiply
    601,386.23x = 901,119.78 × 440,717.60
  4. Step 4: Simplify right side
    601,386.23x = 397,139,342,248.53
  5. Step 5: Solve for x
    x = 397,139,342,248.53/601,386.23
  6. Step 6: Final answer
    x = 660,373.19

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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.