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Finding the Fourth Proportional to 540,412.63, 745,772.36 and 295,397.71

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Solution

The fourth proportional to 540,412.63, 745,772.36 and 295,397.71 is: 407,650.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,412.63 : 745,772.36 = 295,397.71 : x
  2. Step 2: Convert to fraction form
    540,412.63/745,772.36 = 295,397.71/x
  3. Step 3: Cross multiply
    540,412.63x = 745,772.36 × 295,397.71
  4. Step 4: Simplify right side
    540,412.63x = 220,299,447,325.30
  5. Step 5: Solve for x
    x = 220,299,447,325.30/540,412.63
  6. Step 6: Final answer
    x = 407,650.44

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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.