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Finding the Fourth Proportional to 556,636.34, 834,988.22 and 157,307.00

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Solution

The fourth proportional to 556,636.34, 834,988.22 and 157,307.00 is: 235,970.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,636.34 : 834,988.22 = 157,307.00 : x
  2. Step 2: Convert to fraction form
    556,636.34/834,988.22 = 157,307.00/x
  3. Step 3: Cross multiply
    556,636.34x = 834,988.22 × 157,307.00
  4. Step 4: Simplify right side
    556,636.34x = 131,349,486,962.06
  5. Step 5: Solve for x
    x = 131,349,486,962.06/556,636.34
  6. Step 6: Final answer
    x = 235,970.02

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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.