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Finding the Fourth Proportional to 434,509.98, 599,622.39 and 253,329.18

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Solution

The fourth proportional to 434,509.98, 599,622.39 and 253,329.18 is: 349,593.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,509.98 : 599,622.39 = 253,329.18 : x
  2. Step 2: Convert to fraction form
    434,509.98/599,622.39 = 253,329.18/x
  3. Step 3: Cross multiply
    434,509.98x = 599,622.39 × 253,329.18
  4. Step 4: Simplify right side
    434,509.98x = 151,901,848,368.34
  5. Step 5: Solve for x
    x = 151,901,848,368.34/434,509.98
  6. Step 6: Final answer
    x = 349,593.46

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1.5x scale

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.