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Finding the Fourth Proportional to 526,831.52, 726,533.98 and 349,708.59

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Solution

The fourth proportional to 526,831.52, 726,533.98 and 349,708.59 is: 482,270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,831.52 : 726,533.98 = 349,708.59 : x
  2. Step 2: Convert to fraction form
    526,831.52/726,533.98 = 349,708.59/x
  3. Step 3: Cross multiply
    526,831.52x = 726,533.98 × 349,708.59
  4. Step 4: Simplify right side
    526,831.52x = 254,075,172,858.62
  5. Step 5: Solve for x
    x = 254,075,172,858.62/526,831.52
  6. Step 6: Final answer
    x = 482,270.26

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1.5x scale

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.