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Finding the Fourth Proportional to 524,006.80, 786,787.80 and 366,931.60

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Solution

The fourth proportional to 524,006.80, 786,787.80 and 366,931.60 is: 550,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,006.80 : 786,787.80 = 366,931.60 : x
  2. Step 2: Convert to fraction form
    524,006.80/786,787.80 = 366,931.60/x
  3. Step 3: Cross multiply
    524,006.80x = 786,787.80 × 366,931.60
  4. Step 4: Simplify right side
    524,006.80x = 288,697,306,314.48
  5. Step 5: Solve for x
    x = 288,697,306,314.48/524,006.80
  6. Step 6: Final answer
    x = 550,941.91

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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.