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Finding the Fourth Proportional to 286,879.77, 429,925.98 and 181,510.11

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Solution

The fourth proportional to 286,879.77, 429,925.98 and 181,510.11 is: 272,016.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,879.77 : 429,925.98 = 181,510.11 : x
  2. Step 2: Convert to fraction form
    286,879.77/429,925.98 = 181,510.11/x
  3. Step 3: Cross multiply
    286,879.77x = 429,925.98 × 181,510.11
  4. Step 4: Simplify right side
    286,879.77x = 78,035,911,921.66
  5. Step 5: Solve for x
    x = 78,035,911,921.66/286,879.77
  6. Step 6: Final answer
    x = 272,016.09

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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.