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Finding the Fourth Proportional to 522,041.10, 781,312.05 and 522,041.10

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Solution

The fourth proportional to 522,041.10, 781,312.05 and 522,041.10 is: 781,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,041.10 : 781,312.05 = 522,041.10 : x
  2. Step 2: Convert to fraction form
    522,041.10/781,312.05 = 522,041.10/x
  3. Step 3: Cross multiply
    522,041.10x = 781,312.05 × 522,041.10
  4. Step 4: Simplify right side
    522,041.10x = 407,877,002,025.26
  5. Step 5: Solve for x
    x = 407,877,002,025.26/522,041.10
  6. Step 6: Final answer
    x = 781,312.05

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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.