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Finding the Fourth Proportional to 616,011.50, 924,385.89 and 265,803.50

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Solution

The fourth proportional to 616,011.50, 924,385.89 and 265,803.50 is: 398,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,011.50 : 924,385.89 = 265,803.50 : x
  2. Step 2: Convert to fraction form
    616,011.50/924,385.89 = 265,803.50/x
  3. Step 3: Cross multiply
    616,011.50x = 924,385.89 × 265,803.50
  4. Step 4: Simplify right side
    616,011.50x = 245,705,004,912.62
  5. Step 5: Solve for x
    x = 245,705,004,912.62/616,011.50
  6. Step 6: Final answer
    x = 398,864.31

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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.