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Finding the Fourth Proportional to 504,353.40, 756,382.47 and 415,386.24

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Solution

The fourth proportional to 504,353.40, 756,382.47 and 415,386.24 is: 622,957.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,353.40 : 756,382.47 = 415,386.24 : x
  2. Step 2: Convert to fraction form
    504,353.40/756,382.47 = 415,386.24/x
  3. Step 3: Cross multiply
    504,353.40x = 756,382.47 × 415,386.24
  4. Step 4: Simplify right side
    504,353.40x = 314,190,865,821.08
  5. Step 5: Solve for x
    x = 314,190,865,821.08/504,353.40
  6. Step 6: Final answer
    x = 622,957.77

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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.