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Finding the Fourth Proportional to 535,681.90, 803,480.94 and 156,606.16

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Solution

The fourth proportional to 535,681.90, 803,480.94 and 156,606.16 is: 234,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,681.90 : 803,480.94 = 156,606.16 : x
  2. Step 2: Convert to fraction form
    535,681.90/803,480.94 = 156,606.16/x
  3. Step 3: Cross multiply
    535,681.90x = 803,480.94 × 156,606.16
  4. Step 4: Simplify right side
    535,681.90x = 125,830,060,544.09
  5. Step 5: Solve for x
    x = 125,830,060,544.09/535,681.90
  6. Step 6: Final answer
    x = 234,896.98

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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.