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Finding the Fourth Proportional to 702,518.51, 969,499.06 and 430,533.88

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Solution

The fourth proportional to 702,518.51, 969,499.06 and 430,533.88 is: 594,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,518.51 : 969,499.06 = 430,533.88 : x
  2. Step 2: Convert to fraction form
    702,518.51/969,499.06 = 430,533.88/x
  3. Step 3: Cross multiply
    702,518.51x = 969,499.06 × 430,533.88
  4. Step 4: Simplify right side
    702,518.51x = 417,402,188,458.07
  5. Step 5: Solve for x
    x = 417,402,188,458.07/702,518.51
  6. Step 6: Final answer
    x = 594,151.16

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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.