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Finding the Fourth Proportional to 573,569.91, 791,509.73 and 315,446.59

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Solution

The fourth proportional to 573,569.91, 791,509.73 and 315,446.59 is: 435,307.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,569.91 : 791,509.73 = 315,446.59 : x
  2. Step 2: Convert to fraction form
    573,569.91/791,509.73 = 315,446.59/x
  3. Step 3: Cross multiply
    573,569.91x = 791,509.73 × 315,446.59
  4. Step 4: Simplify right side
    573,569.91x = 249,679,045,280.32
  5. Step 5: Solve for x
    x = 249,679,045,280.32/573,569.91
  6. Step 6: Final answer
    x = 435,307.08

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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.