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Finding the Fourth Proportional to 529,688.40, 794,532.60 and 370,256.10

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Solution

The fourth proportional to 529,688.40, 794,532.60 and 370,256.10 is: 555,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,688.40 : 794,532.60 = 370,256.10 : x
  2. Step 2: Convert to fraction form
    529,688.40/794,532.60 = 370,256.10/x
  3. Step 3: Cross multiply
    529,688.40x = 794,532.60 × 370,256.10
  4. Step 4: Simplify right side
    529,688.40x = 294,180,541,798.86
  5. Step 5: Solve for x
    x = 294,180,541,798.86/529,688.40
  6. Step 6: Final answer
    x = 555,384.15

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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.