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Finding the Fourth Proportional to 907,398.86, 1,361,032.64 and 433,957.10

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Solution

The fourth proportional to 907,398.86, 1,361,032.64 and 433,957.10 is: 650,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,398.86 : 1,361,032.64 = 433,957.10 : x
  2. Step 2: Convert to fraction form
    907,398.86/1,361,032.64 = 433,957.10/x
  3. Step 3: Cross multiply
    907,398.86x = 1,361,032.64 × 433,957.10
  4. Step 4: Simplify right side
    907,398.86x = 590,629,777,459.74
  5. Step 5: Solve for x
    x = 590,629,777,459.74/907,398.86
  6. Step 6: Final answer
    x = 650,904.25

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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.