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Finding the Fourth Proportional to 497,111.10, 745,666.65 and 248,279.10

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Solution

The fourth proportional to 497,111.10, 745,666.65 and 248,279.10 is: 372,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,111.10 : 745,666.65 = 248,279.10 : x
  2. Step 2: Convert to fraction form
    497,111.10/745,666.65 = 248,279.10/x
  3. Step 3: Cross multiply
    497,111.10x = 745,666.65 × 248,279.10
  4. Step 4: Simplify right side
    497,111.10x = 185,133,444,762.02
  5. Step 5: Solve for x
    x = 185,133,444,762.02/497,111.10
  6. Step 6: Final answer
    x = 372,418.65

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Similar ratio
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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.