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Finding the Fourth Proportional to 369,390.68, 554,117.46 and 116,603.55

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Solution

The fourth proportional to 369,390.68, 554,117.46 and 116,603.55 is: 174,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,390.68 : 554,117.46 = 116,603.55 : x
  2. Step 2: Convert to fraction form
    369,390.68/554,117.46 = 116,603.55/x
  3. Step 3: Cross multiply
    369,390.68x = 554,117.46 × 116,603.55
  4. Step 4: Simplify right side
    369,390.68x = 64,612,062,515.72
  5. Step 5: Solve for x
    x = 64,612,062,515.72/369,390.68
  6. Step 6: Final answer
    x = 174,915.25

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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.