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Finding the Fourth Proportional to 553,357.35, 830,036.03 and 506,118.15

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Solution

The fourth proportional to 553,357.35, 830,036.03 and 506,118.15 is: 759,177.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,357.35 : 830,036.03 = 506,118.15 : x
  2. Step 2: Convert to fraction form
    553,357.35/830,036.03 = 506,118.15/x
  3. Step 3: Cross multiply
    553,357.35x = 830,036.03 × 506,118.15
  4. Step 4: Simplify right side
    553,357.35x = 420,096,297,406.35
  5. Step 5: Solve for x
    x = 420,096,297,406.35/553,357.35
  6. Step 6: Final answer
    x = 759,177.23

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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.