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Finding the Fourth Proportional to 473,599.55, 710,848.45 and 293,139.10

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Solution

The fourth proportional to 473,599.55, 710,848.45 and 293,139.10 is: 439,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,599.55 : 710,848.45 = 293,139.10 : x
  2. Step 2: Convert to fraction form
    473,599.55/710,848.45 = 293,139.10/x
  3. Step 3: Cross multiply
    473,599.55x = 710,848.45 × 293,139.10
  4. Step 4: Simplify right side
    473,599.55x = 208,377,476,124.38
  5. Step 5: Solve for x
    x = 208,377,476,124.38/473,599.55
  6. Step 6: Final answer
    x = 439,986.64

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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.