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Finding the Fourth Proportional to 560,168.60, 840,626.51 and 290,545.25

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Solution

The fourth proportional to 560,168.60, 840,626.51 and 290,545.25 is: 436,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,168.60 : 840,626.51 = 290,545.25 : x
  2. Step 2: Convert to fraction form
    560,168.60/840,626.51 = 290,545.25/x
  3. Step 3: Cross multiply
    560,168.60x = 840,626.51 × 290,545.25
  4. Step 4: Simplify right side
    560,168.60x = 244,240,033,848.72
  5. Step 5: Solve for x
    x = 244,240,033,848.72/560,168.60
  6. Step 6: Final answer
    x = 436,011.65

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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.