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Finding the Fourth Proportional to 614,835.80, 922,253.70 and 502,642.70

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Solution

The fourth proportional to 614,835.80, 922,253.70 and 502,642.70 is: 753,964.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,835.80 : 922,253.70 = 502,642.70 : x
  2. Step 2: Convert to fraction form
    614,835.80/922,253.70 = 502,642.70/x
  3. Step 3: Cross multiply
    614,835.80x = 922,253.70 × 502,642.70
  4. Step 4: Simplify right side
    614,835.80x = 463,564,089,852.99
  5. Step 5: Solve for x
    x = 463,564,089,852.99/614,835.80
  6. Step 6: Final answer
    x = 753,964.05

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Similar ratio
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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.