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Finding the Fourth Proportional to 334,482.88, 461,281.17 and 219,715.48

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Solution

The fourth proportional to 334,482.88, 461,281.17 and 219,715.48 is: 303,006.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,482.88 : 461,281.17 = 219,715.48 : x
  2. Step 2: Convert to fraction form
    334,482.88/461,281.17 = 219,715.48/x
  3. Step 3: Cross multiply
    334,482.88x = 461,281.17 × 219,715.48
  4. Step 4: Simplify right side
    334,482.88x = 101,350,613,681.51
  5. Step 5: Solve for x
    x = 101,350,613,681.51/334,482.88
  6. Step 6: Final answer
    x = 303,006.88

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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.