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Finding the Fourth Proportional to 555,798.72, 767,032.32 and 314,091.36

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Solution

The fourth proportional to 555,798.72, 767,032.32 and 314,091.36 is: 433,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,798.72 : 767,032.32 = 314,091.36 : x
  2. Step 2: Convert to fraction form
    555,798.72/767,032.32 = 314,091.36/x
  3. Step 3: Cross multiply
    555,798.72x = 767,032.32 × 314,091.36
  4. Step 4: Simplify right side
    555,798.72x = 240,918,224,552.76
  5. Step 5: Solve for x
    x = 240,918,224,552.76/555,798.72
  6. Step 6: Final answer
    x = 433,463.08

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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.