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Finding the Fourth Proportional to 532,382.40, 798,962.40 and 374,918.40

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Solution

The fourth proportional to 532,382.40, 798,962.40 and 374,918.40 is: 562,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,382.40 : 798,962.40 = 374,918.40 : x
  2. Step 2: Convert to fraction form
    532,382.40/798,962.40 = 374,918.40/x
  3. Step 3: Cross multiply
    532,382.40x = 798,962.40 × 374,918.40
  4. Step 4: Simplify right side
    532,382.40x = 299,545,704,668.16
  5. Step 5: Solve for x
    x = 299,545,704,668.16/532,382.40
  6. Step 6: Final answer
    x = 562,651.40

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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.