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Finding the Fourth Proportional to 656,518.23, 906,002.08 and 370,038.31

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Solution

The fourth proportional to 656,518.23, 906,002.08 and 370,038.31 is: 510,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,518.23 : 906,002.08 = 370,038.31 : x
  2. Step 2: Convert to fraction form
    656,518.23/906,002.08 = 370,038.31/x
  3. Step 3: Cross multiply
    656,518.23x = 906,002.08 × 370,038.31
  4. Step 4: Simplify right side
    656,518.23x = 335,255,475,349.58
  5. Step 5: Solve for x
    x = 335,255,475,349.58/656,518.23
  6. Step 6: Final answer
    x = 510,656.76

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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.