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Finding the Fourth Proportional to 322,088.68, 444,547.65 and 186,128.35

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Solution

The fourth proportional to 322,088.68, 444,547.65 and 186,128.35 is: 256,894.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,088.68 : 444,547.65 = 186,128.35 : x
  2. Step 2: Convert to fraction form
    322,088.68/444,547.65 = 186,128.35/x
  3. Step 3: Cross multiply
    322,088.68x = 444,547.65 × 186,128.35
  4. Step 4: Simplify right side
    322,088.68x = 82,742,920,590.88
  5. Step 5: Solve for x
    x = 82,742,920,590.88/322,088.68
  6. Step 6: Final answer
    x = 256,894.84

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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.