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Finding the Fourth Proportional to 582,313.31, 803,430.93 and 349,680.23

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Solution

The fourth proportional to 582,313.31, 803,430.93 and 349,680.23 is: 482,461.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,313.31 : 803,430.93 = 349,680.23 : x
  2. Step 2: Convert to fraction form
    582,313.31/803,430.93 = 349,680.23/x
  3. Step 3: Cross multiply
    582,313.31x = 803,430.93 × 349,680.23
  4. Step 4: Simplify right side
    582,313.31x = 280,943,908,374.36
  5. Step 5: Solve for x
    x = 280,943,908,374.36/582,313.31
  6. Step 6: Final answer
    x = 482,461.77

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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.