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Finding the Fourth Proportional to 539,918.10, 745,169.76 and 333,306.81

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Solution

The fourth proportional to 539,918.10, 745,169.76 and 333,306.81 is: 460,014.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,918.10 : 745,169.76 = 333,306.81 : x
  2. Step 2: Convert to fraction form
    539,918.10/745,169.76 = 333,306.81/x
  3. Step 3: Cross multiply
    539,918.10x = 745,169.76 × 333,306.81
  4. Step 4: Simplify right side
    539,918.10x = 248,370,155,614.07
  5. Step 5: Solve for x
    x = 248,370,155,614.07/539,918.10
  6. Step 6: Final answer
    x = 460,014.50

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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.