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Finding the Fourth Proportional to 607,976.79, 910,703.45 and 354,488.46

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Solution

The fourth proportional to 607,976.79, 910,703.45 and 354,488.46 is: 530,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,976.79 : 910,703.45 = 354,488.46 : x
  2. Step 2: Convert to fraction form
    607,976.79/910,703.45 = 354,488.46/x
  3. Step 3: Cross multiply
    607,976.79x = 910,703.45 × 354,488.46
  4. Step 4: Simplify right side
    607,976.79x = 322,833,861,734.75
  5. Step 5: Solve for x
    x = 322,833,861,734.75/607,976.79
  6. Step 6: Final answer
    x = 530,997.02

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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.