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Finding the Fourth Proportional to 473,402.58, 710,323.38 and 207,128.04

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Solution

The fourth proportional to 473,402.58, 710,323.38 and 207,128.04 is: 310,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,402.58 : 710,323.38 = 207,128.04 : x
  2. Step 2: Convert to fraction form
    473,402.58/710,323.38 = 207,128.04/x
  3. Step 3: Cross multiply
    473,402.58x = 710,323.38 × 207,128.04
  4. Step 4: Simplify right side
    473,402.58x = 147,127,889,465.58
  5. Step 5: Solve for x
    x = 147,127,889,465.58/473,402.58
  6. Step 6: Final answer
    x = 310,788.10

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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.