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Finding the Fourth Proportional to 473,753.20, 711,148.20 and 296,460.40

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Solution

The fourth proportional to 473,753.20, 711,148.20 and 296,460.40 is: 445,015.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,753.20 : 711,148.20 = 296,460.40 : x
  2. Step 2: Convert to fraction form
    473,753.20/711,148.20 = 296,460.40/x
  3. Step 3: Cross multiply
    473,753.20x = 711,148.20 × 296,460.40
  4. Step 4: Simplify right side
    473,753.20x = 210,827,279,831.28
  5. Step 5: Solve for x
    x = 210,827,279,831.28/473,753.20
  6. Step 6: Final answer
    x = 445,015.00

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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.