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Finding the Fourth Proportional to 310,012.89, 464,901.30 and 183,688.78

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Solution

The fourth proportional to 310,012.89, 464,901.30 and 183,688.78 is: 275,463.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,012.89 : 464,901.30 = 183,688.78 : x
  2. Step 2: Convert to fraction form
    310,012.89/464,901.30 = 183,688.78/x
  3. Step 3: Cross multiply
    310,012.89x = 464,901.30 × 183,688.78
  4. Step 4: Simplify right side
    310,012.89x = 85,397,154,009.28
  5. Step 5: Solve for x
    x = 85,397,154,009.28/310,012.89
  6. Step 6: Final answer
    x = 275,463.24

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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.