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Finding the Fourth Proportional to 615,127.96, 848,873.95 and 343,196.04

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Solution

The fourth proportional to 615,127.96, 848,873.95 and 343,196.04 is: 473,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,127.96 : 848,873.95 = 343,196.04 : x
  2. Step 2: Convert to fraction form
    615,127.96/848,873.95 = 343,196.04/x
  3. Step 3: Cross multiply
    615,127.96x = 848,873.95 × 343,196.04
  4. Step 4: Simplify right side
    615,127.96x = 291,330,178,099.16
  5. Step 5: Solve for x
    x = 291,330,178,099.16/615,127.96
  6. Step 6: Final answer
    x = 473,609.07

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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.