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Finding the Fourth Proportional to 676,277.90, 934,235.61 and 540,133.10

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Solution

The fourth proportional to 676,277.90, 934,235.61 and 540,133.10 is: 746,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,277.90 : 934,235.61 = 540,133.10 : x
  2. Step 2: Convert to fraction form
    676,277.90/934,235.61 = 540,133.10/x
  3. Step 3: Cross multiply
    676,277.90x = 934,235.61 × 540,133.10
  4. Step 4: Simplify right side
    676,277.90x = 504,611,576,159.69
  5. Step 5: Solve for x
    x = 504,611,576,159.69/676,277.90
  6. Step 6: Final answer
    x = 746,160.09

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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.