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Finding the Fourth Proportional to 556,025.96, 767,307.49 and 314,300.00

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Solution

The fourth proportional to 556,025.96, 767,307.49 and 314,300.00 is: 433,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,025.96 : 767,307.49 = 314,300.00 : x
  2. Step 2: Convert to fraction form
    556,025.96/767,307.49 = 314,300.00/x
  3. Step 3: Cross multiply
    556,025.96x = 767,307.49 × 314,300.00
  4. Step 4: Simplify right side
    556,025.96x = 241,164,739,484.71
  5. Step 5: Solve for x
    x = 241,164,739,484.71/556,025.96
  6. Step 6: Final answer
    x = 433,729.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.