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Finding the Fourth Proportional to 440,316.91, 607,823.34 and 297,270.71

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Solution

The fourth proportional to 440,316.91, 607,823.34 and 297,270.71 is: 410,359.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,316.91 : 607,823.34 = 297,270.71 : x
  2. Step 2: Convert to fraction form
    440,316.91/607,823.34 = 297,270.71/x
  3. Step 3: Cross multiply
    440,316.91x = 607,823.34 × 297,270.71
  4. Step 4: Simplify right side
    440,316.91x = 180,688,075,633.98
  5. Step 5: Solve for x
    x = 180,688,075,633.98/440,316.91
  6. Step 6: Final answer
    x = 410,359.16

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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.