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Finding the Fourth Proportional to 922,641.60, 1,384,181.10 and 473,431.80

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Solution

The fourth proportional to 922,641.60, 1,384,181.10 and 473,431.80 is: 710,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,641.60 : 1,384,181.10 = 473,431.80 : x
  2. Step 2: Convert to fraction form
    922,641.60/1,384,181.10 = 473,431.80/x
  3. Step 3: Cross multiply
    922,641.60x = 1,384,181.10 × 473,431.80
  4. Step 4: Simplify right side
    922,641.60x = 655,315,349,698.98
  5. Step 5: Solve for x
    x = 655,315,349,698.98/922,641.60
  6. Step 6: Final answer
    x = 710,259.92

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1.5x scale

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.