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Finding the Fourth Proportional to 210,008.40, 294,841.20 and 210,008.40

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Solution

The fourth proportional to 210,008.40, 294,841.20 and 210,008.40 is: 294,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,008.40 : 294,841.20 = 210,008.40 : x
  2. Step 2: Convert to fraction form
    210,008.40/294,841.20 = 210,008.40/x
  3. Step 3: Cross multiply
    210,008.40x = 294,841.20 × 210,008.40
  4. Step 4: Simplify right side
    210,008.40x = 61,919,128,666.08
  5. Step 5: Solve for x
    x = 61,919,128,666.08/210,008.40
  6. Step 6: Final answer
    x = 294,841.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.