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Finding the Fourth Proportional to 537,870.68, 740,660.58 and 525,936.20

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Solution

The fourth proportional to 537,870.68, 740,660.58 and 525,936.20 is: 724,226.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,870.68 : 740,660.58 = 525,936.20 : x
  2. Step 2: Convert to fraction form
    537,870.68/740,660.58 = 525,936.20/x
  3. Step 3: Cross multiply
    537,870.68x = 740,660.58 × 525,936.20
  4. Step 4: Simplify right side
    537,870.68x = 389,540,210,935.00
  5. Step 5: Solve for x
    x = 389,540,210,935.00/537,870.68
  6. Step 6: Final answer
    x = 724,226.52

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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.