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Finding the Fourth Proportional to 652,049.12, 899,827.80 and 365,569.76

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Solution

The fourth proportional to 652,049.12, 899,827.80 and 365,569.76 is: 504,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,049.12 : 899,827.80 = 365,569.76 : x
  2. Step 2: Convert to fraction form
    652,049.12/899,827.80 = 365,569.76/x
  3. Step 3: Cross multiply
    652,049.12x = 899,827.80 × 365,569.76
  4. Step 4: Simplify right side
    652,049.12x = 328,949,832,887.33
  5. Step 5: Solve for x
    x = 328,949,832,887.33/652,049.12
  6. Step 6: Final answer
    x = 504,486.28

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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.