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Finding the Fourth Proportional to 624,172.99, 936,038.05 and 224,706.50

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Solution

The fourth proportional to 624,172.99, 936,038.05 and 224,706.50 is: 336,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,172.99 : 936,038.05 = 224,706.50 : x
  2. Step 2: Convert to fraction form
    624,172.99/936,038.05 = 224,706.50/x
  3. Step 3: Cross multiply
    624,172.99x = 936,038.05 × 224,706.50
  4. Step 4: Simplify right side
    624,172.99x = 210,333,838,247.71
  5. Step 5: Solve for x
    x = 210,333,838,247.71/624,172.99
  6. Step 6: Final answer
    x = 336,980.04

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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.