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Finding the Fourth Proportional to 586,052.80, 879,079.20 and 249,006.40

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Solution

The fourth proportional to 586,052.80, 879,079.20 and 249,006.40 is: 373,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,052.80 : 879,079.20 = 249,006.40 : x
  2. Step 2: Convert to fraction form
    586,052.80/879,079.20 = 249,006.40/x
  3. Step 3: Cross multiply
    586,052.80x = 879,079.20 × 249,006.40
  4. Step 4: Simplify right side
    586,052.80x = 218,896,346,906.88
  5. Step 5: Solve for x
    x = 218,896,346,906.88/586,052.80
  6. Step 6: Final answer
    x = 373,509.60

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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.