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Finding the Fourth Proportional to 616,004.40, 924,136.20 and 260,835.60

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Solution

The fourth proportional to 616,004.40, 924,136.20 and 260,835.60 is: 391,308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,004.40 : 924,136.20 = 260,835.60 : x
  2. Step 2: Convert to fraction form
    616,004.40/924,136.20 = 260,835.60/x
  3. Step 3: Cross multiply
    616,004.40x = 924,136.20 × 260,835.60
  4. Step 4: Simplify right side
    616,004.40x = 241,047,620,208.72
  5. Step 5: Solve for x
    x = 241,047,620,208.72/616,004.40
  6. Step 6: Final answer
    x = 391,308.28

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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.