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Finding the Fourth Proportional to 625,313.36, 863,048.76 and 357,041.36

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Solution

The fourth proportional to 625,313.36, 863,048.76 and 357,041.36 is: 492,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,313.36 : 863,048.76 = 357,041.36 : x
  2. Step 2: Convert to fraction form
    625,313.36/863,048.76 = 357,041.36/x
  3. Step 3: Cross multiply
    625,313.36x = 863,048.76 × 357,041.36
  4. Step 4: Simplify right side
    625,313.36x = 308,144,103,016.71
  5. Step 5: Solve for x
    x = 308,144,103,016.71/625,313.36
  6. Step 6: Final answer
    x = 492,783.50

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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.