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Finding the Fourth Proportional to 473,664.80, 710,497.20 and 410,074.40

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Solution

The fourth proportional to 473,664.80, 710,497.20 and 410,074.40 is: 615,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,664.80 : 710,497.20 = 410,074.40 : x
  2. Step 2: Convert to fraction form
    473,664.80/710,497.20 = 410,074.40/x
  3. Step 3: Cross multiply
    473,664.80x = 710,497.20 × 410,074.40
  4. Step 4: Simplify right side
    473,664.80x = 291,356,712,991.68
  5. Step 5: Solve for x
    x = 291,356,712,991.68/473,664.80
  6. Step 6: Final answer
    x = 615,111.60

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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.