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Finding the Fourth Proportional to 808,527.30, 1,210,458.15 and 808,527.30

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Solution

The fourth proportional to 808,527.30, 1,210,458.15 and 808,527.30 is: 1,210,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,527.30 : 1,210,458.15 = 808,527.30 : x
  2. Step 2: Convert to fraction form
    808,527.30/1,210,458.15 = 808,527.30/x
  3. Step 3: Cross multiply
    808,527.30x = 1,210,458.15 × 808,527.30
  4. Step 4: Simplify right side
    808,527.30x = 978,688,459,782.50
  5. Step 5: Solve for x
    x = 978,688,459,782.50/808,527.30
  6. Step 6: Final answer
    x = 1,210,458.15

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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.