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Finding the Fourth Proportional to 624,605.92, 936,908.76 and 340,535.35

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Solution

The fourth proportional to 624,605.92, 936,908.76 and 340,535.35 is: 510,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,605.92 : 936,908.76 = 340,535.35 : x
  2. Step 2: Convert to fraction form
    624,605.92/936,908.76 = 340,535.35/x
  3. Step 3: Cross multiply
    624,605.92x = 936,908.76 × 340,535.35
  4. Step 4: Simplify right side
    624,605.92x = 319,050,552,504.67
  5. Step 5: Solve for x
    x = 319,050,552,504.67/624,605.92
  6. Step 6: Final answer
    x = 510,802.96

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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.