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Finding the Fourth Proportional to 401,329.14, 602,055.98 and 135,068.88

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Solution

The fourth proportional to 401,329.14, 602,055.98 and 135,068.88 is: 202,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,329.14 : 602,055.98 = 135,068.88 : x
  2. Step 2: Convert to fraction form
    401,329.14/602,055.98 = 135,068.88/x
  3. Step 3: Cross multiply
    401,329.14x = 602,055.98 × 135,068.88
  4. Step 4: Simplify right side
    401,329.14x = 81,319,026,240.56
  5. Step 5: Solve for x
    x = 81,319,026,240.56/401,329.14
  6. Step 6: Final answer
    x = 202,624.28

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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.