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Finding the Fourth Proportional to 702,483.09, 969,426.68 and 380,193.18

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Solution

The fourth proportional to 702,483.09, 969,426.68 and 380,193.18 is: 524,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,483.09 : 969,426.68 = 380,193.18 : x
  2. Step 2: Convert to fraction form
    702,483.09/969,426.68 = 380,193.18/x
  3. Step 3: Cross multiply
    702,483.09x = 969,426.68 × 380,193.18
  4. Step 4: Simplify right side
    702,483.09x = 368,569,412,246.04
  5. Step 5: Solve for x
    x = 368,569,412,246.04/702,483.09
  6. Step 6: Final answer
    x = 524,666.60

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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.