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Finding the Fourth Proportional to 369,698.41, 554,547.66 and 89,215.66

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Solution

The fourth proportional to 369,698.41, 554,547.66 and 89,215.66 is: 133,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,698.41 : 554,547.66 = 89,215.66 : x
  2. Step 2: Convert to fraction form
    369,698.41/554,547.66 = 89,215.66/x
  3. Step 3: Cross multiply
    369,698.41x = 554,547.66 × 89,215.66
  4. Step 4: Simplify right side
    369,698.41x = 49,474,335,488.36
  5. Step 5: Solve for x
    x = 49,474,335,488.36/369,698.41
  6. Step 6: Final answer
    x = 133,823.50

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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.