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Finding the Fourth Proportional to 608,821.70, 912,962.60 and 324,459.25

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Solution

The fourth proportional to 608,821.70, 912,962.60 and 324,459.25 is: 486,545.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,821.70 : 912,962.60 = 324,459.25 : x
  2. Step 2: Convert to fraction form
    608,821.70/912,962.60 = 324,459.25/x
  3. Step 3: Cross multiply
    608,821.70x = 912,962.60 × 324,459.25
  4. Step 4: Simplify right side
    608,821.70x = 296,219,156,569.35
  5. Step 5: Solve for x
    x = 296,219,156,569.35/608,821.70
  6. Step 6: Final answer
    x = 486,545.00

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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.