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Finding the Fourth Proportional to 648,301.80, 893,585.66 and 433,363.44

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Solution

The fourth proportional to 648,301.80, 893,585.66 and 433,363.44 is: 597,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,301.80 : 893,585.66 = 433,363.44 : x
  2. Step 2: Convert to fraction form
    648,301.80/893,585.66 = 433,363.44/x
  3. Step 3: Cross multiply
    648,301.80x = 893,585.66 × 433,363.44
  4. Step 4: Simplify right side
    648,301.80x = 387,247,355,552.27
  5. Step 5: Solve for x
    x = 387,247,355,552.27/648,301.80
  6. Step 6: Final answer
    x = 597,325.74

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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.