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Finding the Fourth Proportional to 556,280.40, 834,420.60 and 473,611.80

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Solution

The fourth proportional to 556,280.40, 834,420.60 and 473,611.80 is: 710,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,280.40 : 834,420.60 = 473,611.80 : x
  2. Step 2: Convert to fraction form
    556,280.40/834,420.60 = 473,611.80/x
  3. Step 3: Cross multiply
    556,280.40x = 834,420.60 × 473,611.80
  4. Step 4: Simplify right side
    556,280.40x = 395,191,442,323.08
  5. Step 5: Solve for x
    x = 395,191,442,323.08/556,280.40
  6. Step 6: Final answer
    x = 710,417.70

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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.