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Finding the Fourth Proportional to 553,510.80, 828,297.90 and 506,271.60

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Solution

The fourth proportional to 553,510.80, 828,297.90 and 506,271.60 is: 757,607.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,510.80 : 828,297.90 = 506,271.60 : x
  2. Step 2: Convert to fraction form
    553,510.80/828,297.90 = 506,271.60/x
  3. Step 3: Cross multiply
    553,510.80x = 828,297.90 × 506,271.60
  4. Step 4: Simplify right side
    553,510.80x = 419,343,703,109.64
  5. Step 5: Solve for x
    x = 419,343,703,109.64/553,510.80
  6. Step 6: Final answer
    x = 757,607.08

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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.