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Finding the Fourth Proportional to 604,895.10, 907,342.65 and 492,920.70

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Solution

The fourth proportional to 604,895.10, 907,342.65 and 492,920.70 is: 739,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,895.10 : 907,342.65 = 492,920.70 : x
  2. Step 2: Convert to fraction form
    604,895.10/907,342.65 = 492,920.70/x
  3. Step 3: Cross multiply
    604,895.10x = 907,342.65 × 492,920.70
  4. Step 4: Simplify right side
    604,895.10x = 447,247,974,177.86
  5. Step 5: Solve for x
    x = 447,247,974,177.86/604,895.10
  6. Step 6: Final answer
    x = 739,381.05

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Similar ratio
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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.