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Finding the Fourth Proportional to 907,365.60, 1,361,048.40 and 374,612.40

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Solution

The fourth proportional to 907,365.60, 1,361,048.40 and 374,612.40 is: 561,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,365.60 : 1,361,048.40 = 374,612.40 : x
  2. Step 2: Convert to fraction form
    907,365.60/1,361,048.40 = 374,612.40/x
  3. Step 3: Cross multiply
    907,365.60x = 1,361,048.40 × 374,612.40
  4. Step 4: Simplify right side
    907,365.60x = 509,865,607,640.16
  5. Step 5: Solve for x
    x = 509,865,607,640.16/907,365.60
  6. Step 6: Final answer
    x = 561,918.60

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Double scale
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Similar ratio
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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.