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Finding the Fourth Proportional to 651,395.52, 898,420.32 and 436,466.88

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Solution

The fourth proportional to 651,395.52, 898,420.32 and 436,466.88 is: 601,985.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,395.52 : 898,420.32 = 436,466.88 : x
  2. Step 2: Convert to fraction form
    651,395.52/898,420.32 = 436,466.88/x
  3. Step 3: Cross multiply
    651,395.52x = 898,420.32 × 436,466.88
  4. Step 4: Simplify right side
    651,395.52x = 392,130,713,999.00
  5. Step 5: Solve for x
    x = 392,130,713,999.00/651,395.52
  6. Step 6: Final answer
    x = 601,985.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.