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Finding the Fourth Proportional to 517,831.70, 714,607.83 and 303,013.01

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Solution

The fourth proportional to 517,831.70, 714,607.83 and 303,013.01 is: 418,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,831.70 : 714,607.83 = 303,013.01 : x
  2. Step 2: Convert to fraction form
    517,831.70/714,607.83 = 303,013.01/x
  3. Step 3: Cross multiply
    517,831.70x = 714,607.83 × 303,013.01
  4. Step 4: Simplify right side
    517,831.70x = 216,535,465,964.83
  5. Step 5: Solve for x
    x = 216,535,465,964.83/517,831.70
  6. Step 6: Final answer
    x = 418,158.00

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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.