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Finding the Fourth Proportional to 210,004,377.40, 293,289,492.20 and 210,004,377.40

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Solution

The fourth proportional to 210,004,377.40, 293,289,492.20 and 210,004,377.40 is: 293,289,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,004,377.40 : 293,289,492.20 = 210,004,377.40 : x
  2. Step 2: Convert to fraction form
    210,004,377.40/293,289,492.20 = 210,004,377.40/x
  3. Step 3: Cross multiply
    210,004,377.40x = 293,289,492.20 × 210,004,377.40
  4. Step 4: Simplify right side
    210,004,377.40x = 61,592,077,207,423,152
  5. Step 5: Solve for x
    x = 61,592,077,207,423,152/210,004,377.40
  6. Step 6: Final answer
    x = 293,289,492.20

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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.