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Finding the Fourth Proportional to 480,095.71, 720,595.50 and 243,608.11

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Solution

The fourth proportional to 480,095.71, 720,595.50 and 243,608.11 is: 365,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,095.71 : 720,595.50 = 243,608.11 : x
  2. Step 2: Convert to fraction form
    480,095.71/720,595.50 = 243,608.11/x
  3. Step 3: Cross multiply
    480,095.71x = 720,595.50 × 243,608.11
  4. Step 4: Simplify right side
    480,095.71x = 175,542,907,829.51
  5. Step 5: Solve for x
    x = 175,542,907,829.51/480,095.71
  6. Step 6: Final answer
    x = 365,641.48

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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.