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Finding the Fourth Proportional to 282,803.04, 423,281.52 and 207,903.36

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Solution

The fourth proportional to 282,803.04, 423,281.52 and 207,903.36 is: 311,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,803.04 : 423,281.52 = 207,903.36 : x
  2. Step 2: Convert to fraction form
    282,803.04/423,281.52 = 207,903.36/x
  3. Step 3: Cross multiply
    282,803.04x = 423,281.52 × 207,903.36
  4. Step 4: Simplify right side
    282,803.04x = 88,001,650,233.91
  5. Step 5: Solve for x
    x = 88,001,650,233.91/282,803.04
  6. Step 6: Final answer
    x = 311,176.46

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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.