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Finding the Fourth Proportional to 623,457, 934,955.64 and 223,990.56

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Solution

The fourth proportional to 623,457, 934,955.64 and 223,990.56 is: 335,903.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,457 : 934,955.64 = 223,990.56 : x
  2. Step 2: Convert to fraction form
    623,457/934,955.64 = 223,990.56/x
  3. Step 3: Cross multiply
    623,457x = 934,955.64 × 223,990.56
  4. Step 4: Simplify right side
    623,457x = 209,421,237,378.76
  5. Step 5: Solve for x
    x = 209,421,237,378.76/623,457
  6. Step 6: Final answer
    x = 335,903.26

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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.