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Finding the Fourth Proportional to 693,711.95, 957,482.37 and 451,572.71

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Solution

The fourth proportional to 693,711.95, 957,482.37 and 451,572.71 is: 623,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,711.95 : 957,482.37 = 451,572.71 : x
  2. Step 2: Convert to fraction form
    693,711.95/957,482.37 = 451,572.71/x
  3. Step 3: Cross multiply
    693,711.95x = 957,482.37 × 451,572.71
  4. Step 4: Simplify right side
    693,711.95x = 432,372,903,810.71
  5. Step 5: Solve for x
    x = 432,372,903,810.71/693,711.95
  6. Step 6: Final answer
    x = 623,274.41

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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.