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Finding the Fourth Proportional to 888,304.80, 1,332,068.40 and 355,648.80

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Solution

The fourth proportional to 888,304.80, 1,332,068.40 and 355,648.80 is: 533,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,304.80 : 1,332,068.40 = 355,648.80 : x
  2. Step 2: Convert to fraction form
    888,304.80/1,332,068.40 = 355,648.80/x
  3. Step 3: Cross multiply
    888,304.80x = 1,332,068.40 × 355,648.80
  4. Step 4: Simplify right side
    888,304.80x = 473,748,527,977.92
  5. Step 5: Solve for x
    x = 473,748,527,977.92/888,304.80
  6. Step 6: Final answer
    x = 533,317.54

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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.