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Finding the Fourth Proportional to 602,289.19, 831,156.83 and 372,800.77

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Solution

The fourth proportional to 602,289.19, 831,156.83 and 372,800.77 is: 514,463.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,289.19 : 831,156.83 = 372,800.77 : x
  2. Step 2: Convert to fraction form
    602,289.19/831,156.83 = 372,800.77/x
  3. Step 3: Cross multiply
    602,289.19x = 831,156.83 × 372,800.77
  4. Step 4: Simplify right side
    602,289.19x = 309,855,904,350.76
  5. Step 5: Solve for x
    x = 309,855,904,350.76/602,289.19
  6. Step 6: Final answer
    x = 514,463.67

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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.