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Finding the Fourth Proportional to 572,955.70, 858,866.55 and 253,281.10

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Solution

The fourth proportional to 572,955.70, 858,866.55 and 253,281.10 is: 379,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,955.70 : 858,866.55 = 253,281.10 : x
  2. Step 2: Convert to fraction form
    572,955.70/858,866.55 = 253,281.10/x
  3. Step 3: Cross multiply
    572,955.70x = 858,866.55 × 253,281.10
  4. Step 4: Simplify right side
    572,955.70x = 217,534,664,537.21
  5. Step 5: Solve for x
    x = 217,534,664,537.21/572,955.70
  6. Step 6: Final answer
    x = 379,671.00

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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.