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Finding the Fourth Proportional to 615,653.04, 924,047.24 and 312,260.12

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Solution

The fourth proportional to 615,653.04, 924,047.24 and 312,260.12 is: 468,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,653.04 : 924,047.24 = 312,260.12 : x
  2. Step 2: Convert to fraction form
    615,653.04/924,047.24 = 312,260.12/x
  3. Step 3: Cross multiply
    615,653.04x = 924,047.24 × 312,260.12
  4. Step 4: Simplify right side
    615,653.04x = 288,543,102,048.07
  5. Step 5: Solve for x
    x = 288,543,102,048.07/615,653.04
  6. Step 6: Final answer
    x = 468,678.11

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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.