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Finding the Fourth Proportional to 359,999.60, 538,962.60 and 349,631.60

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Solution

The fourth proportional to 359,999.60, 538,962.60 and 349,631.60 is: 523,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,999.60 : 538,962.60 = 349,631.60 : x
  2. Step 2: Convert to fraction form
    359,999.60/538,962.60 = 349,631.60/x
  3. Step 3: Cross multiply
    359,999.60x = 538,962.60 × 349,631.60
  4. Step 4: Simplify right side
    359,999.60x = 188,438,356,178.16
  5. Step 5: Solve for x
    x = 188,438,356,178.16/359,999.60
  6. Step 6: Final answer
    x = 523,440.46

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1.5x scale

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.