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Finding the Fourth Proportional to 423,561.64, 584,567.72 and 242,248.40

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Solution

The fourth proportional to 423,561.64, 584,567.72 and 242,248.40 is: 334,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,561.64 : 584,567.72 = 242,248.40 : x
  2. Step 2: Convert to fraction form
    423,561.64/584,567.72 = 242,248.40/x
  3. Step 3: Cross multiply
    423,561.64x = 584,567.72 × 242,248.40
  4. Step 4: Simplify right side
    423,561.64x = 141,610,594,861.65
  5. Step 5: Solve for x
    x = 141,610,594,861.65/423,561.64
  6. Step 6: Final answer
    x = 334,332.91

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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.