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Finding the Fourth Proportional to 517,497.12, 776,334.24 and 237,038.40

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Solution

The fourth proportional to 517,497.12, 776,334.24 and 237,038.40 is: 355,598.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,497.12 : 776,334.24 = 237,038.40 : x
  2. Step 2: Convert to fraction form
    517,497.12/776,334.24 = 237,038.40/x
  3. Step 3: Cross multiply
    517,497.12x = 776,334.24 × 237,038.40
  4. Step 4: Simplify right side
    517,497.12x = 184,021,026,114.82
  5. Step 5: Solve for x
    x = 184,021,026,114.82/517,497.12
  6. Step 6: Final answer
    x = 355,598.16

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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.