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Finding the Fourth Proportional to 369,693.35, 554,540.07 and 89,210.60

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Solution

The fourth proportional to 369,693.35, 554,540.07 and 89,210.60 is: 133,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,693.35 : 554,540.07 = 89,210.60 : x
  2. Step 2: Convert to fraction form
    369,693.35/554,540.07 = 89,210.60/x
  3. Step 3: Cross multiply
    369,693.35x = 554,540.07 × 89,210.60
  4. Step 4: Simplify right side
    369,693.35x = 49,470,852,368.74
  5. Step 5: Solve for x
    x = 49,470,852,368.74/369,693.35
  6. Step 6: Final answer
    x = 133,815.91

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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.