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Finding the Fourth Proportional to 624,302.40, 935,141.40 and 519,326.40

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Solution

The fourth proportional to 624,302.40, 935,141.40 and 519,326.40 is: 777,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,302.40 : 935,141.40 = 519,326.40 : x
  2. Step 2: Convert to fraction form
    624,302.40/935,141.40 = 519,326.40/x
  3. Step 3: Cross multiply
    624,302.40x = 935,141.40 × 519,326.40
  4. Step 4: Simplify right side
    624,302.40x = 485,643,616,752.96
  5. Step 5: Solve for x
    x = 485,643,616,752.96/624,302.40
  6. Step 6: Final answer
    x = 777,898.05

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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.