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Finding the Fourth Proportional to 935,480.16, 1,403,200.80 and 374,364

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Solution

The fourth proportional to 935,480.16, 1,403,200.80 and 374,364 is: 561,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,480.16 : 1,403,200.80 = 374,364 : x
  2. Step 2: Convert to fraction form
    935,480.16/1,403,200.80 = 374,364/x
  3. Step 3: Cross multiply
    935,480.16x = 1,403,200.80 × 374,364
  4. Step 4: Simplify right side
    935,480.16x = 525,307,864,291.20
  5. Step 5: Solve for x
    x = 525,307,864,291.20/935,480.16
  6. Step 6: Final answer
    x = 561,538.22

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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.