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Finding the Fourth Proportional to 590,300.40, 887,418.90 and 503,695.20

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Solution

The fourth proportional to 590,300.40, 887,418.90 and 503,695.20 is: 757,222.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,300.40 : 887,418.90 = 503,695.20 : x
  2. Step 2: Convert to fraction form
    590,300.40/887,418.90 = 503,695.20/x
  3. Step 3: Cross multiply
    590,300.40x = 887,418.90 × 503,695.20
  4. Step 4: Simplify right side
    590,300.40x = 446,988,640,319.28
  5. Step 5: Solve for x
    x = 446,988,640,319.28/590,300.40
  6. Step 6: Final answer
    x = 757,222.32

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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.