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Finding the Fourth Proportional to 615,117.04, 848,882.48 and 356,974.12

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Solution

The fourth proportional to 615,117.04, 848,882.48 and 356,974.12 is: 492,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,117.04 : 848,882.48 = 356,974.12 : x
  2. Step 2: Convert to fraction form
    615,117.04/848,882.48 = 356,974.12/x
  3. Step 3: Cross multiply
    615,117.04x = 848,882.48 × 356,974.12
  4. Step 4: Simplify right side
    615,117.04x = 303,029,076,281.42
  5. Step 5: Solve for x
    x = 303,029,076,281.42/615,117.04
  6. Step 6: Final answer
    x = 492,636.45

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Double scale
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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.