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Finding the Fourth Proportional to 377,703.04, 521,240.52 and 207,947.60

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Solution

The fourth proportional to 377,703.04, 521,240.52 and 207,947.60 is: 286,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,703.04 : 521,240.52 = 207,947.60 : x
  2. Step 2: Convert to fraction form
    377,703.04/521,240.52 = 207,947.60/x
  3. Step 3: Cross multiply
    377,703.04x = 521,240.52 × 207,947.60
  4. Step 4: Simplify right side
    377,703.04x = 108,390,715,156.75
  5. Step 5: Solve for x
    x = 108,390,715,156.75/377,703.04
  6. Step 6: Final answer
    x = 286,973.37

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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.