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Finding the Fourth Proportional to 571,095.58, 788,100.12 and 316,444.54

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Solution

The fourth proportional to 571,095.58, 788,100.12 and 316,444.54 is: 436,686.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,095.58 : 788,100.12 = 316,444.54 : x
  2. Step 2: Convert to fraction form
    571,095.58/788,100.12 = 316,444.54/x
  3. Step 3: Cross multiply
    571,095.58x = 788,100.12 × 316,444.54
  4. Step 4: Simplify right side
    571,095.58x = 249,389,979,947.35
  5. Step 5: Solve for x
    x = 249,389,979,947.35/571,095.58
  6. Step 6: Final answer
    x = 436,686.94

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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.