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Finding the Fourth Proportional to 572,689.32, 790,706.72 and 357,925.92

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Solution

The fourth proportional to 572,689.32, 790,706.72 and 357,925.92 is: 494,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,689.32 : 790,706.72 = 357,925.92 : x
  2. Step 2: Convert to fraction form
    572,689.32/790,706.72 = 357,925.92/x
  3. Step 3: Cross multiply
    572,689.32x = 790,706.72 × 357,925.92
  4. Step 4: Simplify right side
    572,689.32x = 283,014,430,206.18
  5. Step 5: Solve for x
    x = 283,014,430,206.18/572,689.32
  6. Step 6: Final answer
    x = 494,184.93

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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.