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Finding the Fourth Proportional to 384,010.79, 575,826.65 and 117,707.09

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Solution

The fourth proportional to 384,010.79, 575,826.65 and 117,707.09 is: 176,502.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,010.79 : 575,826.65 = 117,707.09 : x
  2. Step 2: Convert to fraction form
    384,010.79/575,826.65 = 117,707.09/x
  3. Step 3: Cross multiply
    384,010.79x = 575,826.65 × 117,707.09
  4. Step 4: Simplify right side
    384,010.79x = 67,778,875,848.28
  5. Step 5: Solve for x
    x = 67,778,875,848.28/384,010.79
  6. Step 6: Final answer
    x = 176,502.53

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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.