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Finding the Fourth Proportional to 601,545.48, 830,077.56 and 346,847.46

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Solution

The fourth proportional to 601,545.48, 830,077.56 and 346,847.46 is: 478,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,545.48 : 830,077.56 = 346,847.46 : x
  2. Step 2: Convert to fraction form
    601,545.48/830,077.56 = 346,847.46/x
  3. Step 3: Cross multiply
    601,545.48x = 830,077.56 × 346,847.46
  4. Step 4: Simplify right side
    601,545.48x = 287,910,293,289.00
  5. Step 5: Solve for x
    x = 287,910,293,289.00/601,545.48
  6. Step 6: Final answer
    x = 478,617.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.