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Finding the Fourth Proportional to 713,563.16, 1,070,523.20 and 503,611.16

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Solution

The fourth proportional to 713,563.16, 1,070,523.20 and 503,611.16 is: 755,542.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,563.16 : 1,070,523.20 = 503,611.16 : x
  2. Step 2: Convert to fraction form
    713,563.16/1,070,523.20 = 503,611.16/x
  3. Step 3: Cross multiply
    713,563.16x = 1,070,523.20 × 503,611.16
  4. Step 4: Simplify right side
    713,563.16x = 539,127,426,465.32
  5. Step 5: Solve for x
    x = 539,127,426,465.32/713,563.16
  6. Step 6: Final answer
    x = 755,542.69

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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.