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Finding the Fourth Proportional to 572,159.70, 859,223.70 and 373,361.40

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Solution

The fourth proportional to 572,159.70, 859,223.70 and 373,361.40 is: 560,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,159.70 : 859,223.70 = 373,361.40 : x
  2. Step 2: Convert to fraction form
    572,159.70/859,223.70 = 373,361.40/x
  3. Step 3: Cross multiply
    572,159.70x = 859,223.70 × 373,361.40
  4. Step 4: Simplify right side
    572,159.70x = 320,800,963,545.18
  5. Step 5: Solve for x
    x = 320,800,963,545.18/572,159.70
  6. Step 6: Final answer
    x = 560,684.30

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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.