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Finding the Fourth Proportional to 506,368.48, 698,232.06 and 325,011.90

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Solution

The fourth proportional to 506,368.48, 698,232.06 and 325,011.90 is: 448,159.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,368.48 : 698,232.06 = 325,011.90 : x
  2. Step 2: Convert to fraction form
    506,368.48/698,232.06 = 325,011.90/x
  3. Step 3: Cross multiply
    506,368.48x = 698,232.06 × 325,011.90
  4. Step 4: Simplify right side
    506,368.48x = 226,933,728,461.51
  5. Step 5: Solve for x
    x = 226,933,728,461.51/506,368.48
  6. Step 6: Final answer
    x = 448,159.27

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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.