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Finding the Fourth Proportional to 295,270.10, 442,905.15 and 283,606.10

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Solution

The fourth proportional to 295,270.10, 442,905.15 and 283,606.10 is: 425,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,270.10 : 442,905.15 = 283,606.10 : x
  2. Step 2: Convert to fraction form
    295,270.10/442,905.15 = 283,606.10/x
  3. Step 3: Cross multiply
    295,270.10x = 442,905.15 × 283,606.10
  4. Step 4: Simplify right side
    295,270.10x = 125,610,602,261.42
  5. Step 5: Solve for x
    x = 125,610,602,261.42/295,270.10
  6. Step 6: Final answer
    x = 425,409.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.