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Finding the Fourth Proportional to 637,826.80, 958,813.80 and 452,124.40

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Solution

The fourth proportional to 637,826.80, 958,813.80 and 452,124.40 is: 679,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,826.80 : 958,813.80 = 452,124.40 : x
  2. Step 2: Convert to fraction form
    637,826.80/958,813.80 = 452,124.40/x
  3. Step 3: Cross multiply
    637,826.80x = 958,813.80 × 452,124.40
  4. Step 4: Simplify right side
    637,826.80x = 433,503,114,036.72
  5. Step 5: Solve for x
    x = 433,503,114,036.72/637,826.80
  6. Step 6: Final answer
    x = 679,656.47

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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.