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Finding the Fourth Proportional to 616,009.40, 924,143.70 and 260,840.60

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Solution

The fourth proportional to 616,009.40, 924,143.70 and 260,840.60 is: 391,315.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,009.40 : 924,143.70 = 260,840.60 : x
  2. Step 2: Convert to fraction form
    616,009.40/924,143.70 = 260,840.60/x
  3. Step 3: Cross multiply
    616,009.40x = 924,143.70 × 260,840.60
  4. Step 4: Simplify right side
    616,009.40x = 241,054,197,194.22
  5. Step 5: Solve for x
    x = 241,054,197,194.22/616,009.40
  6. Step 6: Final answer
    x = 391,315.78

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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.