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Finding the Fourth Proportional to 334,717.68, 502,076.70 and 210,146.16

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Solution

The fourth proportional to 334,717.68, 502,076.70 and 210,146.16 is: 315,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,717.68 : 502,076.70 = 210,146.16 : x
  2. Step 2: Convert to fraction form
    334,717.68/502,076.70 = 210,146.16/x
  3. Step 3: Cross multiply
    334,717.68x = 502,076.70 × 210,146.16
  4. Step 4: Simplify right side
    334,717.68x = 105,509,490,530.47
  5. Step 5: Solve for x
    x = 105,509,490,530.47/334,717.68
  6. Step 6: Final answer
    x = 315,219.35

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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.