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Finding the Fourth Proportional to 567,482.79, 849,722.43 and 342,542.55

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Solution

The fourth proportional to 567,482.79, 849,722.43 and 342,542.55 is: 512,907.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,482.79 : 849,722.43 = 342,542.55 : x
  2. Step 2: Convert to fraction form
    567,482.79/849,722.43 = 342,542.55/x
  3. Step 3: Cross multiply
    567,482.79x = 849,722.43 × 342,542.55
  4. Step 4: Simplify right side
    567,482.79x = 291,066,087,964.40
  5. Step 5: Solve for x
    x = 291,066,087,964.40/567,482.79
  6. Step 6: Final answer
    x = 512,907.34

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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.