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Finding the Fourth Proportional to 883,807.61, 1,326,292.58 and 484,728.50

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Solution

The fourth proportional to 883,807.61, 1,326,292.58 and 484,728.50 is: 727,411.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,807.61 : 1,326,292.58 = 484,728.50 : x
  2. Step 2: Convert to fraction form
    883,807.61/1,326,292.58 = 484,728.50/x
  3. Step 3: Cross multiply
    883,807.61x = 1,326,292.58 × 484,728.50
  4. Step 4: Simplify right side
    883,807.61x = 642,891,817,392.08
  5. Step 5: Solve for x
    x = 642,891,817,392.08/883,807.61
  6. Step 6: Final answer
    x = 727,411.50

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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.