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Finding the Fourth Proportional to 907,339.60, 1,360,620.60 and 374,683.60

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Solution

The fourth proportional to 907,339.60, 1,360,620.60 and 374,683.60 is: 561,864.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,339.60 : 1,360,620.60 = 374,683.60 : x
  2. Step 2: Convert to fraction form
    907,339.60/1,360,620.60 = 374,683.60/x
  3. Step 3: Cross multiply
    907,339.60x = 1,360,620.60 × 374,683.60
  4. Step 4: Simplify right side
    907,339.60x = 509,802,224,642.16
  5. Step 5: Solve for x
    x = 509,802,224,642.16/907,339.60
  6. Step 6: Final answer
    x = 561,864.85

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1.5x scale

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.