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Finding the Fourth Proportional to 357,312.10, 535,507.35 and 273,792.10

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Solution

The fourth proportional to 357,312.10, 535,507.35 and 273,792.10 is: 410,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,312.10 : 535,507.35 = 273,792.10 : x
  2. Step 2: Convert to fraction form
    357,312.10/535,507.35 = 273,792.10/x
  3. Step 3: Cross multiply
    357,312.10x = 535,507.35 × 273,792.10
  4. Step 4: Simplify right side
    357,312.10x = 146,617,681,921.94
  5. Step 5: Solve for x
    x = 146,617,681,921.94/357,312.10
  6. Step 6: Final answer
    x = 410,335.06

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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.