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Finding the Fourth Proportional to 616,030.40, 924,175.20 and 260,861.60

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Solution

The fourth proportional to 616,030.40, 924,175.20 and 260,861.60 is: 391,347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,030.40 : 924,175.20 = 260,861.60 : x
  2. Step 2: Convert to fraction form
    616,030.40/924,175.20 = 260,861.60/x
  3. Step 3: Cross multiply
    616,030.40x = 924,175.20 × 260,861.60
  4. Step 4: Simplify right side
    616,030.40x = 241,081,821,352.32
  5. Step 5: Solve for x
    x = 241,081,821,352.32/616,030.40
  6. Step 6: Final answer
    x = 391,347.28

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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.