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Finding the Fourth Proportional to 553,596,610.80, 829,828,045.80 and 323,447,228.40

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Solution

The fourth proportional to 553,596,610.80, 829,828,045.80 and 323,447,228.40 is: 484,839,639.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,596,610.80 : 829,828,045.80 = 323,447,228.40 : x
  2. Step 2: Convert to fraction form
    553,596,610.80/829,828,045.80 = 323,447,228.40/x
  3. Step 3: Cross multiply
    553,596,610.80x = 829,828,045.80 × 323,447,228.40
  4. Step 4: Simplify right side
    553,596,610.80x = 268,405,581,462,598,240
  5. Step 5: Solve for x
    x = 268,405,581,462,598,240/553,596,610.80
  6. Step 6: Final answer
    x = 484,839,639.96

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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.