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Finding the Fourth Proportional to 624,998.40, 932,034.53 and 556,107.90

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Solution

The fourth proportional to 624,998.40, 932,034.53 and 556,107.90 is: 829,300.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,998.40 : 932,034.53 = 556,107.90 : x
  2. Step 2: Convert to fraction form
    624,998.40/932,034.53 = 556,107.90/x
  3. Step 3: Cross multiply
    624,998.40x = 932,034.53 × 556,107.90
  4. Step 4: Simplify right side
    624,998.40x = 518,311,763,100.93
  5. Step 5: Solve for x
    x = 518,311,763,100.93/624,998.40
  6. Step 6: Final answer
    x = 829,300.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.