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Finding the Fourth Proportional to 458,999.80, 633,407.13 and 255,045.48

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Solution

The fourth proportional to 458,999.80, 633,407.13 and 255,045.48 is: 351,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,999.80 : 633,407.13 = 255,045.48 : x
  2. Step 2: Convert to fraction form
    458,999.80/633,407.13 = 255,045.48/x
  3. Step 3: Cross multiply
    458,999.80x = 633,407.13 × 255,045.48
  4. Step 4: Simplify right side
    458,999.80x = 161,547,625,506.27
  5. Step 5: Solve for x
    x = 161,547,625,506.27/458,999.80
  6. Step 6: Final answer
    x = 351,955.77

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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.