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Finding the Fourth Proportional to 540,411.63, 745,770.98 and 295,396.71

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Solution

The fourth proportional to 540,411.63, 745,770.98 and 295,396.71 is: 407,649.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,411.63 : 745,770.98 = 295,396.71 : x
  2. Step 2: Convert to fraction form
    540,411.63/745,770.98 = 295,396.71/x
  3. Step 3: Cross multiply
    540,411.63x = 745,770.98 × 295,396.71
  4. Step 4: Simplify right side
    540,411.63x = 220,298,292,428.49
  5. Step 5: Solve for x
    x = 220,298,292,428.49/540,411.63
  6. Step 6: Final answer
    x = 407,649.06

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Double scale
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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.