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Finding the Fourth Proportional to 369,798.90, 510,160.42 and 216,759.52

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Solution

The fourth proportional to 369,798.90, 510,160.42 and 216,759.52 is: 299,033.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,798.90 : 510,160.42 = 216,759.52 : x
  2. Step 2: Convert to fraction form
    369,798.90/510,160.42 = 216,759.52/x
  3. Step 3: Cross multiply
    369,798.90x = 510,160.42 × 216,759.52
  4. Step 4: Simplify right side
    369,798.90x = 110,582,127,762.20
  5. Step 5: Solve for x
    x = 110,582,127,762.20/369,798.90
  6. Step 6: Final answer
    x = 299,033.14

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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.