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Finding the Fourth Proportional to 423,543.09, 584,762.99 and 262,570.17

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Solution

The fourth proportional to 423,543.09, 584,762.99 and 262,570.17 is: 362,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,543.09 : 584,762.99 = 262,570.17 : x
  2. Step 2: Convert to fraction form
    423,543.09/584,762.99 = 262,570.17/x
  3. Step 3: Cross multiply
    423,543.09x = 584,762.99 × 262,570.17
  4. Step 4: Simplify right side
    423,543.09x = 153,541,316,381.16
  5. Step 5: Solve for x
    x = 153,541,316,381.16/423,543.09
  6. Step 6: Final answer
    x = 362,516.40

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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.