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Finding the Fourth Proportional to 615,882.02, 849,892.30 and 343,945.58

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Solution

The fourth proportional to 615,882.02, 849,892.30 and 343,945.58 is: 474,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,882.02 : 849,892.30 = 343,945.58 : x
  2. Step 2: Convert to fraction form
    615,882.02/849,892.30 = 343,945.58/x
  3. Step 3: Cross multiply
    615,882.02x = 849,892.30 × 343,945.58
  4. Step 4: Simplify right side
    615,882.02x = 292,316,694,951.71
  5. Step 5: Solve for x
    x = 292,316,694,951.71/615,882.02
  6. Step 6: Final answer
    x = 474,631.00

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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.