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Finding the Fourth Proportional to 543,888.29, 750,521.85 and 314,460.30

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Solution

The fourth proportional to 543,888.29, 750,521.85 and 314,460.30 is: 433,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,888.29 : 750,521.85 = 314,460.30 : x
  2. Step 2: Convert to fraction form
    543,888.29/750,521.85 = 314,460.30/x
  3. Step 3: Cross multiply
    543,888.29x = 750,521.85 × 314,460.30
  4. Step 4: Simplify right side
    543,888.29x = 236,009,324,928.33
  5. Step 5: Solve for x
    x = 236,009,324,928.33/543,888.29
  6. Step 6: Final answer
    x = 433,929.77

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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.