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Finding the Fourth Proportional to 282,043.02, 423,425.16 and 242,316.18

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Solution

The fourth proportional to 282,043.02, 423,425.16 and 242,316.18 is: 363,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,043.02 : 423,425.16 = 242,316.18 : x
  2. Step 2: Convert to fraction form
    282,043.02/423,425.16 = 242,316.18/x
  3. Step 3: Cross multiply
    282,043.02x = 423,425.16 × 242,316.18
  4. Step 4: Simplify right side
    282,043.02x = 102,602,767,287.09
  5. Step 5: Solve for x
    x = 102,602,767,287.09/282,043.02
  6. Step 6: Final answer
    x = 363,784.10

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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.