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Finding the Fourth Proportional to 313,673.34, 432,862.98 and 170,434.41

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Solution

The fourth proportional to 313,673.34, 432,862.98 and 170,434.41 is: 235,196.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,673.34 : 432,862.98 = 170,434.41 : x
  2. Step 2: Convert to fraction form
    313,673.34/432,862.98 = 170,434.41/x
  3. Step 3: Cross multiply
    313,673.34x = 432,862.98 × 170,434.41
  4. Step 4: Simplify right side
    313,673.34x = 73,774,746,607.14
  5. Step 5: Solve for x
    x = 73,774,746,607.14/313,673.34
  6. Step 6: Final answer
    x = 235,196.10

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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.