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Finding the Fourth Proportional to 616,501.50, 924,938.73 and 436,934.22

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Solution

The fourth proportional to 616,501.50, 924,938.73 and 436,934.22 is: 655,533.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,501.50 : 924,938.73 = 436,934.22 : x
  2. Step 2: Convert to fraction form
    616,501.50/924,938.73 = 436,934.22/x
  3. Step 3: Cross multiply
    616,501.50x = 924,938.73 × 436,934.22
  4. Step 4: Simplify right side
    616,501.50x = 404,137,382,540.34
  5. Step 5: Solve for x
    x = 404,137,382,540.34/616,501.50
  6. Step 6: Final answer
    x = 655,533.49

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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.