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Finding the Fourth Proportional to 702,243.06, 969,088.53 and 379,946.10

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Solution

The fourth proportional to 702,243.06, 969,088.53 and 379,946.10 is: 524,321.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,243.06 : 969,088.53 = 379,946.10 : x
  2. Step 2: Convert to fraction form
    702,243.06/969,088.53 = 379,946.10/x
  3. Step 3: Cross multiply
    702,243.06x = 969,088.53 × 379,946.10
  4. Step 4: Simplify right side
    702,243.06x = 368,201,407,528.23
  5. Step 5: Solve for x
    x = 368,201,407,528.23/702,243.06
  6. Step 6: Final answer
    x = 524,321.89

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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.