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Finding the Fourth Proportional to 525,872.46, 788,808.69 and 480,253.26

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Solution

The fourth proportional to 525,872.46, 788,808.69 and 480,253.26 is: 720,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,872.46 : 788,808.69 = 480,253.26 : x
  2. Step 2: Convert to fraction form
    525,872.46/788,808.69 = 480,253.26/x
  3. Step 3: Cross multiply
    525,872.46x = 788,808.69 × 480,253.26
  4. Step 4: Simplify right side
    525,872.46x = 378,827,944,888.83
  5. Step 5: Solve for x
    x = 378,827,944,888.83/525,872.46
  6. Step 6: Final answer
    x = 720,379.89

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Double scale
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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.