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Finding the Fourth Proportional to 736,707.60, 1,105,320.60 and 362,480.40

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Solution

The fourth proportional to 736,707.60, 1,105,320.60 and 362,480.40 is: 543,848.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,707.60 : 1,105,320.60 = 362,480.40 : x
  2. Step 2: Convert to fraction form
    736,707.60/1,105,320.60 = 362,480.40/x
  3. Step 3: Cross multiply
    736,707.60x = 1,105,320.60 × 362,480.40
  4. Step 4: Simplify right side
    736,707.60x = 400,657,053,216.24
  5. Step 5: Solve for x
    x = 400,657,053,216.24/736,707.60
  6. Step 6: Final answer
    x = 543,848.13

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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.