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Finding the Fourth Proportional to 562,784.04, 776,601.54 and 308,094.12

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Solution

The fourth proportional to 562,784.04, 776,601.54 and 308,094.12 is: 425,147.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,784.04 : 776,601.54 = 308,094.12 : x
  2. Step 2: Convert to fraction form
    562,784.04/776,601.54 = 308,094.12/x
  3. Step 3: Cross multiply
    562,784.04x = 776,601.54 × 308,094.12
  4. Step 4: Simplify right side
    562,784.04x = 239,266,368,056.95
  5. Step 5: Solve for x
    x = 239,266,368,056.95/562,784.04
  6. Step 6: Final answer
    x = 425,147.75

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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.