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Finding the Fourth Proportional to 435,710.16, 601,309.44 and 242,140.32

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Solution

The fourth proportional to 435,710.16, 601,309.44 and 242,140.32 is: 334,169.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,710.16 : 601,309.44 = 242,140.32 : x
  2. Step 2: Convert to fraction form
    435,710.16/601,309.44 = 242,140.32/x
  3. Step 3: Cross multiply
    435,710.16x = 601,309.44 × 242,140.32
  4. Step 4: Simplify right side
    435,710.16x = 145,601,260,220.62
  5. Step 5: Solve for x
    x = 145,601,260,220.62/435,710.16
  6. Step 6: Final answer
    x = 334,169.99

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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.