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Finding the Fourth Proportional to 516,346.30, 773,397.84 and 249,547.27

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Solution

The fourth proportional to 516,346.30, 773,397.84 and 249,547.27 is: 373,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,346.30 : 773,397.84 = 249,547.27 : x
  2. Step 2: Convert to fraction form
    516,346.30/773,397.84 = 249,547.27/x
  3. Step 3: Cross multiply
    516,346.30x = 773,397.84 × 249,547.27
  4. Step 4: Simplify right side
    516,346.30x = 192,999,319,595.90
  5. Step 5: Solve for x
    x = 192,999,319,595.90/516,346.30
  6. Step 6: Final answer
    x = 373,778.84

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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.