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Finding the Fourth Proportional to 313,280.98, 432,316.17 and 170,037.95

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Solution

The fourth proportional to 313,280.98, 432,316.17 and 170,037.95 is: 234,646.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,280.98 : 432,316.17 = 170,037.95 : x
  2. Step 2: Convert to fraction form
    313,280.98/432,316.17 = 170,037.95/x
  3. Step 3: Cross multiply
    313,280.98x = 432,316.17 × 170,037.95
  4. Step 4: Simplify right side
    313,280.98x = 73,510,155,298.65
  5. Step 5: Solve for x
    x = 73,510,155,298.65/313,280.98
  6. Step 6: Final answer
    x = 234,646.08

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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.