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Finding the Fourth Proportional to 633,738.90, 950,608.35 and 260,030.10

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Solution

The fourth proportional to 633,738.90, 950,608.35 and 260,030.10 is: 390,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,738.90 : 950,608.35 = 260,030.10 : x
  2. Step 2: Convert to fraction form
    633,738.90/950,608.35 = 260,030.10/x
  3. Step 3: Cross multiply
    633,738.90x = 950,608.35 × 260,030.10
  4. Step 4: Simplify right side
    633,738.90x = 247,186,784,311.34
  5. Step 5: Solve for x
    x = 247,186,784,311.34/633,738.90
  6. Step 6: Final answer
    x = 390,045.15

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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.