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Finding the Fourth Proportional to 452,572.24, 624,480.30 and 261,548.76

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Solution

The fourth proportional to 452,572.24, 624,480.30 and 261,548.76 is: 360,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,572.24 : 624,480.30 = 261,548.76 : x
  2. Step 2: Convert to fraction form
    452,572.24/624,480.30 = 261,548.76/x
  3. Step 3: Cross multiply
    452,572.24x = 624,480.30 × 261,548.76
  4. Step 4: Simplify right side
    452,572.24x = 163,332,048,109.43
  5. Step 5: Solve for x
    x = 163,332,048,109.43/452,572.24
  6. Step 6: Final answer
    x = 360,897.19

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.