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Finding the Fourth Proportional to 343,441.70, 473,925.94 and 190,465.53

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Solution

The fourth proportional to 343,441.70, 473,925.94 and 190,465.53 is: 262,829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,441.70 : 473,925.94 = 190,465.53 : x
  2. Step 2: Convert to fraction form
    343,441.70/473,925.94 = 190,465.53/x
  3. Step 3: Cross multiply
    343,441.70x = 473,925.94 × 190,465.53
  4. Step 4: Simplify right side
    343,441.70x = 90,266,553,089.46
  5. Step 5: Solve for x
    x = 90,266,553,089.46/343,441.70
  6. Step 6: Final answer
    x = 262,829.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.