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Finding the Fourth Proportional to 480,006.80, 720,010.20 and 461,574.80

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Solution

The fourth proportional to 480,006.80, 720,010.20 and 461,574.80 is: 692,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,006.80 : 720,010.20 = 461,574.80 : x
  2. Step 2: Convert to fraction form
    480,006.80/720,010.20 = 461,574.80/x
  3. Step 3: Cross multiply
    480,006.80x = 720,010.20 × 461,574.80
  4. Step 4: Simplify right side
    480,006.80x = 332,338,564,062.96
  5. Step 5: Solve for x
    x = 332,338,564,062.96/480,006.80
  6. Step 6: Final answer
    x = 692,362.20

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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.