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Finding the Fourth Proportional to 423,437.93, 584,344.90 and 229,845.51

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Solution

The fourth proportional to 423,437.93, 584,344.90 and 229,845.51 is: 317,187.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,437.93 : 584,344.90 = 229,845.51 : x
  2. Step 2: Convert to fraction form
    423,437.93/584,344.90 = 229,845.51/x
  3. Step 3: Cross multiply
    423,437.93x = 584,344.90 × 229,845.51
  4. Step 4: Simplify right side
    423,437.93x = 134,309,050,981.79
  5. Step 5: Solve for x
    x = 134,309,050,981.79/423,437.93
  6. Step 6: Final answer
    x = 317,187.11

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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.