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Finding the Fourth Proportional to 369,478.16, 554,292.30 and 116,798.12

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Solution

The fourth proportional to 369,478.16, 554,292.30 and 116,798.12 is: 175,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,478.16 : 554,292.30 = 116,798.12 : x
  2. Step 2: Convert to fraction form
    369,478.16/554,292.30 = 116,798.12/x
  3. Step 3: Cross multiply
    369,478.16x = 554,292.30 × 116,798.12
  4. Step 4: Simplify right side
    369,478.16x = 64,740,298,570.48
  5. Step 5: Solve for x
    x = 64,740,298,570.48/369,478.16
  6. Step 6: Final answer
    x = 175,220.91

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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.