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Finding the Fourth Proportional to 369,633.51, 509,968.95 and 301,532.76

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Solution

The fourth proportional to 369,633.51, 509,968.95 and 301,532.76 is: 416,012.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,633.51 : 509,968.95 = 301,532.76 : x
  2. Step 2: Convert to fraction form
    369,633.51/509,968.95 = 301,532.76/x
  3. Step 3: Cross multiply
    369,633.51x = 509,968.95 × 301,532.76
  4. Step 4: Simplify right side
    369,633.51x = 153,772,340,950.29
  5. Step 5: Solve for x
    x = 153,772,340,950.29/369,633.51
  6. Step 6: Final answer
    x = 416,012.99

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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.