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Finding the Fourth Proportional to 555,698.39, 833,547.56 and 256,090.32

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Solution

The fourth proportional to 555,698.39, 833,547.56 and 256,090.32 is: 384,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,698.39 : 833,547.56 = 256,090.32 : x
  2. Step 2: Convert to fraction form
    555,698.39/833,547.56 = 256,090.32/x
  3. Step 3: Cross multiply
    555,698.39x = 833,547.56 × 256,090.32
  4. Step 4: Simplify right side
    555,698.39x = 213,463,460,095.17
  5. Step 5: Solve for x
    x = 213,463,460,095.17/555,698.39
  6. Step 6: Final answer
    x = 384,135.47

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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.