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Finding the Fourth Proportional to 515,865.60, 773,798.40 and 463,377.60

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Solution

The fourth proportional to 515,865.60, 773,798.40 and 463,377.60 is: 695,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,865.60 : 773,798.40 = 463,377.60 : x
  2. Step 2: Convert to fraction form
    515,865.60/773,798.40 = 463,377.60/x
  3. Step 3: Cross multiply
    515,865.60x = 773,798.40 × 463,377.60
  4. Step 4: Simplify right side
    515,865.60x = 358,560,845,475.84
  5. Step 5: Solve for x
    x = 358,560,845,475.84/515,865.60
  6. Step 6: Final answer
    x = 695,066.40

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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.