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Finding the Fourth Proportional to 970,590.15, 1,339,424.19 and 535,023

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Solution

The fourth proportional to 970,590.15, 1,339,424.19 and 535,023 is: 738,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,590.15 : 1,339,424.19 = 535,023 : x
  2. Step 2: Convert to fraction form
    970,590.15/1,339,424.19 = 535,023/x
  3. Step 3: Cross multiply
    970,590.15x = 1,339,424.19 × 535,023
  4. Step 4: Simplify right side
    970,590.15x = 716,622,748,406.37
  5. Step 5: Solve for x
    x = 716,622,748,406.37/970,590.15
  6. Step 6: Final answer
    x = 738,337.13

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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.