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Finding the Fourth Proportional to 546,772.80, 763,710.45 and 546,772.80

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Solution

The fourth proportional to 546,772.80, 763,710.45 and 546,772.80 is: 763,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,772.80 : 763,710.45 = 546,772.80 : x
  2. Step 2: Convert to fraction form
    546,772.80/763,710.45 = 546,772.80/x
  3. Step 3: Cross multiply
    546,772.80x = 763,710.45 × 546,772.80
  4. Step 4: Simplify right side
    546,772.80x = 417,576,101,135.76
  5. Step 5: Solve for x
    x = 417,576,101,135.76/546,772.80
  6. Step 6: Final answer
    x = 763,710.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.