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Finding the Fourth Proportional to 653,547.24, 980,381.34 and 254,218.32

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Solution

The fourth proportional to 653,547.24, 980,381.34 and 254,218.32 is: 381,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,547.24 : 980,381.34 = 254,218.32 : x
  2. Step 2: Convert to fraction form
    653,547.24/980,381.34 = 254,218.32/x
  3. Step 3: Cross multiply
    653,547.24x = 980,381.34 × 254,218.32
  4. Step 4: Simplify right side
    653,547.24x = 249,230,897,214.15
  5. Step 5: Solve for x
    x = 249,230,897,214.15/653,547.24
  6. Step 6: Final answer
    x = 381,351.01

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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.