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Finding the Fourth Proportional to 572,563.70, 802,695.10 and 572,563.70

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Solution

The fourth proportional to 572,563.70, 802,695.10 and 572,563.70 is: 802,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,563.70 : 802,695.10 = 572,563.70 : x
  2. Step 2: Convert to fraction form
    572,563.70/802,695.10 = 572,563.70/x
  3. Step 3: Cross multiply
    572,563.70x = 802,695.10 × 572,563.70
  4. Step 4: Simplify right side
    572,563.70x = 459,594,076,427.87
  5. Step 5: Solve for x
    x = 459,594,076,427.87/572,563.70
  6. Step 6: Final answer
    x = 802,695.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.