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Finding the Fourth Proportional to 255,673.77, 352,854.72 and 191,030.85

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Solution

The fourth proportional to 255,673.77, 352,854.72 and 191,030.85 is: 263,641.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,673.77 : 352,854.72 = 191,030.85 : x
  2. Step 2: Convert to fraction form
    255,673.77/352,854.72 = 191,030.85/x
  3. Step 3: Cross multiply
    255,673.77x = 352,854.72 × 191,030.85
  4. Step 4: Simplify right side
    255,673.77x = 67,406,137,088.11
  5. Step 5: Solve for x
    x = 67,406,137,088.11/255,673.77
  6. Step 6: Final answer
    x = 263,641.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.