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Finding the Fourth Proportional to 359,075.70, 495,509.40 and 229,832.10

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Solution

The fourth proportional to 359,075.70, 495,509.40 and 229,832.10 is: 317,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,075.70 : 495,509.40 = 229,832.10 : x
  2. Step 2: Convert to fraction form
    359,075.70/495,509.40 = 229,832.10/x
  3. Step 3: Cross multiply
    359,075.70x = 495,509.40 × 229,832.10
  4. Step 4: Simplify right side
    359,075.70x = 113,883,965,971.74
  5. Step 5: Solve for x
    x = 113,883,965,971.74/359,075.70
  6. Step 6: Final answer
    x = 317,158.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.