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Finding the Fourth Proportional to 437,368.38, 656,259.93 and 260,225.34

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Solution

The fourth proportional to 437,368.38, 656,259.93 and 260,225.34 is: 390,461.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,368.38 : 656,259.93 = 260,225.34 : x
  2. Step 2: Convert to fraction form
    437,368.38/656,259.93 = 260,225.34/x
  3. Step 3: Cross multiply
    437,368.38x = 656,259.93 × 260,225.34
  4. Step 4: Simplify right side
    437,368.38x = 170,775,463,412.63
  5. Step 5: Solve for x
    x = 170,775,463,412.63/437,368.38
  6. Step 6: Final answer
    x = 390,461.39

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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.