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Finding the Fourth Proportional to 360,166.09, 540,342.54 and 191,547.76

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Solution

The fourth proportional to 360,166.09, 540,342.54 and 191,547.76 is: 287,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,166.09 : 540,342.54 = 191,547.76 : x
  2. Step 2: Convert to fraction form
    360,166.09/540,342.54 = 191,547.76/x
  3. Step 3: Cross multiply
    360,166.09x = 540,342.54 × 191,547.76
  4. Step 4: Simplify right side
    360,166.09x = 103,501,400,468.00
  5. Step 5: Solve for x
    x = 103,501,400,468.00/360,166.09
  6. Step 6: Final answer
    x = 287,371.31

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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.