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Finding the Fourth Proportional to 710,762.39, 1,066,641.72 and 410,830.22

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Solution

The fourth proportional to 710,762.39, 1,066,641.72 and 410,830.22 is: 616,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,762.39 : 1,066,641.72 = 410,830.22 : x
  2. Step 2: Convert to fraction form
    710,762.39/1,066,641.72 = 410,830.22/x
  3. Step 3: Cross multiply
    710,762.39x = 1,066,641.72 × 410,830.22
  4. Step 4: Simplify right side
    710,762.39x = 438,208,652,488.78
  5. Step 5: Solve for x
    x = 438,208,652,488.78/710,762.39
  6. Step 6: Final answer
    x = 616,533.26

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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.