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Finding the Fourth Proportional to 351,267.40, 525,345.90 and 295,280.20

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Solution

The fourth proportional to 351,267.40, 525,345.90 and 295,280.20 is: 441,612.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,267.40 : 525,345.90 = 295,280.20 : x
  2. Step 2: Convert to fraction form
    351,267.40/525,345.90 = 295,280.20/x
  3. Step 3: Cross multiply
    351,267.40x = 525,345.90 × 295,280.20
  4. Step 4: Simplify right side
    351,267.40x = 155,124,242,421.18
  5. Step 5: Solve for x
    x = 155,124,242,421.18/351,267.40
  6. Step 6: Final answer
    x = 441,612.98

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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.