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Finding the Fourth Proportional to 288,547.10, 432,820.65 and 182,258.90

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Solution

The fourth proportional to 288,547.10, 432,820.65 and 182,258.90 is: 273,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,547.10 : 432,820.65 = 182,258.90 : x
  2. Step 2: Convert to fraction form
    288,547.10/432,820.65 = 182,258.90/x
  3. Step 3: Cross multiply
    288,547.10x = 432,820.65 × 182,258.90
  4. Step 4: Simplify right side
    288,547.10x = 78,885,415,566.29
  5. Step 5: Solve for x
    x = 78,885,415,566.29/288,547.10
  6. Step 6: Final answer
    x = 273,388.35

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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.