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Finding the Fourth Proportional to 560,278.08, 840,588.32 and 335,888.32

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Solution

The fourth proportional to 560,278.08, 840,588.32 and 335,888.32 is: 503,935.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,278.08 : 840,588.32 = 335,888.32 : x
  2. Step 2: Convert to fraction form
    560,278.08/840,588.32 = 335,888.32/x
  3. Step 3: Cross multiply
    560,278.08x = 840,588.32 × 335,888.32
  4. Step 4: Simplify right side
    560,278.08x = 282,343,798,616.42
  5. Step 5: Solve for x
    x = 282,343,798,616.42/560,278.08
  6. Step 6: Final answer
    x = 503,935.11

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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.