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Finding the Fourth Proportional to 601,214.10, 900,071.55 and 364,434.90

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Solution

The fourth proportional to 601,214.10, 900,071.55 and 364,434.90 is: 545,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,214.10 : 900,071.55 = 364,434.90 : x
  2. Step 2: Convert to fraction form
    601,214.10/900,071.55 = 364,434.90/x
  3. Step 3: Cross multiply
    601,214.10x = 900,071.55 × 364,434.90
  4. Step 4: Simplify right side
    601,214.10x = 328,017,485,317.10
  5. Step 5: Solve for x
    x = 328,017,485,317.10/601,214.10
  6. Step 6: Final answer
    x = 545,591.80

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Similar ratio
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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.