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Finding the Fourth Proportional to 518,060.90, 776,860.95 and 237,664.10

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Solution

The fourth proportional to 518,060.90, 776,860.95 and 237,664.10 is: 356,390.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,060.90 : 776,860.95 = 237,664.10 : x
  2. Step 2: Convert to fraction form
    518,060.90/776,860.95 = 237,664.10/x
  3. Step 3: Cross multiply
    518,060.90x = 776,860.95 × 237,664.10
  4. Step 4: Simplify right side
    518,060.90x = 184,631,958,506.90
  5. Step 5: Solve for x
    x = 184,631,958,506.90/518,060.90
  6. Step 6: Final answer
    x = 356,390.45

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1.5x scale

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.