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Finding the Fourth Proportional to 316,779.17, 475,445.55 and 183,476.06

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Solution

The fourth proportional to 316,779.17, 475,445.55 and 183,476.06 is: 275,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,779.17 : 475,445.55 = 183,476.06 : x
  2. Step 2: Convert to fraction form
    316,779.17/475,445.55 = 183,476.06/x
  3. Step 3: Cross multiply
    316,779.17x = 475,445.55 × 183,476.06
  4. Step 4: Simplify right side
    316,779.17x = 87,232,873,881.31
  5. Step 5: Solve for x
    x = 87,232,873,881.31/316,779.17
  6. Step 6: Final answer
    x = 275,374.40

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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.