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Finding the Fourth Proportional to 210,004,358.40, 293,289,465.60 and 210,004,358.40

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Solution

The fourth proportional to 210,004,358.40, 293,289,465.60 and 210,004,358.40 is: 293,289,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,004,358.40 : 293,289,465.60 = 210,004,358.40 : x
  2. Step 2: Convert to fraction form
    210,004,358.40/293,289,465.60 = 210,004,358.40/x
  3. Step 3: Cross multiply
    210,004,358.40x = 293,289,465.60 × 210,004,358.40
  4. Step 4: Simplify right side
    210,004,358.40x = 61,592,066,048,806,880
  5. Step 5: Solve for x
    x = 61,592,066,048,806,880/210,004,358.40
  6. Step 6: Final answer
    x = 293,289,465.60

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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.