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Finding the Fourth Proportional to 518,197.77, 776,705.76 and 237,124.53

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Solution

The fourth proportional to 518,197.77, 776,705.76 and 237,124.53 is: 355,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,197.77 : 776,705.76 = 237,124.53 : x
  2. Step 2: Convert to fraction form
    518,197.77/776,705.76 = 237,124.53/x
  3. Step 3: Cross multiply
    518,197.77x = 776,705.76 × 237,124.53
  4. Step 4: Simplify right side
    518,197.77x = 184,175,988,288.29
  5. Step 5: Solve for x
    x = 184,175,988,288.29/518,197.77
  6. Step 6: Final answer
    x = 355,416.40

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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.